1. News & Issues

Environmental Issues: Most Popular Articles

These articles are the most popular over the last month.
Why Canada Flushed Raw Sewage Into the Ocean...
Canada flushes some 200 billion liters of raw sewage directly into natural waterways every year, from the St. Lawrence River to the Strait of Juan de Fuca and the Pacific Ocean. One of the worst offenders is the city of Victoria, the picturesque capital of British Columbia, the province that is preparing to host the 2010 Winter Olympics.
10 Things You Can Do About to Slow Climate Change
Here are 10 things you can do every day to reduce your energy costs and your use of fossil fuels, which contribute to global warming.
Earth Day History: The History of Earth Day
Earth Day is the name given to annual observances intended to raise awareness about a range of environmental issues and to inspire people to take action.
Who Invented Earth Day?
Earth Day is celebrated every year in more than 180 nations worldwide, but who first had the idea for Earth Day and got the celebration started? Who invented Earth Day?
What Kind of Cookware is Safest for the...
Since chemicals used to make Teflon were linked to health hazards, consumers have wondered about the safety of their Teflon cookware. This article explores the safety and potential health risks of several types of cookware, from Teflon to Aluminum to Stainless Steel, and offers practical advice.
How Reusing Plastic Bottles Can Be a Health Risk
Reduce, reuse and recycle is the mantra of environmentalists everywhere, but reusing plastic bottles may do more harm than good by releasing toxic chemicals that can cause a host of serious health problems. Learn the dangers of reusing plastic bottles as well as some safe alternatives.
Is Earth Day a Communist Plot?
Some people still claim that April 22 was chosen as the date for Earth Day in 1970 because it was the 100th anniversary of the birth of Vladimir Lenin, the Russian revolutionary and communist politician, and that Earth Day itself is a communist plot.
How to Recycle Different Types of Plastic
The confusion over what we can and cannot recycle continues to confound consumers. Plastics are especially troublesome, as different types of plastic require different processing to be reformulated and re-used as raw material. Some municipalities accept all types of plastic for recycling, while others only accept jugs, containers and bottles stamped with certain numbers. But what do the numbers really mean, and how can consumers learn the code?
What Are Greenhouse Gases And The Greenhouse...
A good explanation of the greenhouse effect and its relationship to global warming, plus dissenting opinions from some scientists and what is being done to address the problem.
Top 7 Sources of Renewable Energy
Most nations rely on fossil fuels for the majority of their energy, but clean renewable energy is becoming increasingly important as the world faces the threat of global warming and the realization that fossil fuels will eventually run out or become too expensive to retrieve.
5 Ways Oil Spills Hurt the Environment
That oil spills are bad for the environment is a universal truth, but what makes them so bad? How do oil spills damage the environment, and how long do those damaging effects last?
Happy Earth Day!
Earth Day: Learn about what it is, and how you can celebrate it.
How Greenhouse Gases Cause Climate Change
Human activities are creating excess greenhouse gases that trap heat in the atmosphere and lead to global warming.
Should You Throw Away or Recycle Batteries?
May batteries be safely discarded along with other household trash, or must they be recycled? While newer batteries contain less mercury and other toxic substances than older versions, they do include trace amounts that could potentially harm the environment.
When was the First Earth Day?
Earth Day is celebrated annually by millions of people worldwide, but how did Earth Day begin? When was the first Earth Day?
The First Day of Spring: Fun Facts About the...
Every year we long for the first day of spring, or vernal equinox, when the days start to get longer and the weather starts getting warmer. But there is much more to know about the first day of spring.
6 Potentially Devastating Effects of Drought
Drought can have serious health, social, economic and political impacts with far-reaching consequences. Learn more about the possible effects of drought and how they are interrelated.
Why You Should Stop Using Pastic Bags?
Americans throw away almost 100 billion plastic bags every year, and only 1 percent to 3 percent are ever recycled, leaving the rest to clog streams, foul landscapes, and kill birds and marine mammals. Learn how you can help the environment by reducing the number of plastic bags that are produced and discarded.
Weather and Atmospheric Conditions That Cause...
Rising air and water temperatures worldwide are creating more frequent and severe hurricanes. While scientists debate what may be causing the temperature changes, there's no disagreement about the destructive force of the hurricanes those conditions create.
Litter Trashes the Environment
Litter is more than an eyesore on city streets and alongside highways. Litter pollutes waterways and leaches toxic chemicals into soil and groundwater as it breaks down. Most litter begins with a careless or thoughtless act by a single person who tosses away a cigarette butt or an empty soda can, which means there is a lot you can do to prevent litter.
Everything You Need to Know About Biofuels
Biofuels such as ethanol and biodiesel offer a cleaner alternative to fossil fuels. Derived from plants, biofuels are renewable and more environmentally friendly than petroleum products, but many environmental experts question whether producing biofuels requires too much energy and agricultural land to make biofuels viable.
When is Earth Day?
When is Earth Day? Earth Day is an important date in the environmental calendar, but some people are confused about when Earth Day occurs because there are actually two Earth Days every year. So, when is Earth Day? Find the dates of both Earth Days and learn why there are two.
What Exactly Are Greenhouse Gases?
One in a series of frequently asked questions about global warming and greenhouse gas emissions.
Paper, Plastic, or Something Better?
Plastic bags are hard on the environment--littering the landscape, contaminating soil and water, killing hundreds of thousands of marine mammals, and using millions of gallons of oil annually--and paper bags aren't much better. Learn about better options you can start using right away.
Helpful or Harmful? The Truth About Ozone
From a human perspective, ozone is both helpful and harmful, both good and bad. In the upper atmosphere, ozone protects all life on Earth. At ground level, ozone is toxic and corrosive, a threat to human health, ecosystems, plants and marine life.
What Causes Smog?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Learn what causes smog.
Why Honeybees Are Disappearing and Why You...
Honeybee colonies are dying or disappearing in record numbers. What is causing the dramatic decline in honeybee populations in the U.S. and elsewhere, how is the honeybee loss affecting agriculture and food supplies, and what is being done to solve the problem?
Chlorine in Your Water: Helpful or Harmful?
Chlorine in tap water destroys many disease-causing bacteria that threaten human health, but it may lead to other health problems. Learn how you can benefit from chlorine while avoiding its potentially harmful effects.
What are the Benefits of Using Ethanol?
Ethanol is a relatively low-cost alternative fuel, but what are the benefits of using ethanol or an ethanol blend in place of unblended gasoline?
5 Most Important Things You Can Do for the...
If you feel you’re not doing enough for the environment by replacing your incandescent light bulbs with CFLs and composting your kitchen garbage, maybe you’re ready to make a deeper commitment to environmental stewardship. Some of these strategies may seem a little radical, but they are among the most valuable actions you can take to protect and preserve Earth’s environment.
Can You Recycle Plastic Lids and Bottle Caps?
Can you recycle plastic lids and bottle caps along with their containers? Plastic lids and bottle caps can jam recycling equipment, contaminate recycled plastics, and endanger workers at recycling centers. So what should you do with those plastic lids and bottle caps?
Do the Benefits of Recycling Outweigh the Costs?
When you consider the benefits of recycling vs. the cost, is recycling worth the expense? After trying it both ways, here's what New York City discovered about the benefits of recycling.
How Safe is Tap Water?
Bottled water companies would have you believe that tap water is unsafe to drink, but many experts say that most tap water is actually pretty safe--especially compared to the alternatives. How safe is tap water?
What is the Kyoto Protocol?
Will the Bush Administration's decision to withdraw the United States from the Kyoto Protocol weaken international efforts to reduce greenhouse gas emissions and global warming, or put the world on a better course?
Is Population Growth Creating Serious...
Population growth is placing tremendous stress on Earth's resources and the natural environment, creating a scarcity of food and water and leading to problems such as deforestation and increased global warming. Learn what can be done to achieve a sustainable balance between human population and available resources.
10 Facts About The Chernobyl Nuclear Disaster
A detailed profile of the Chernobyl accident, the worst nuclear accident in history, which occurred on April 26, 1986, at the Chernobyl power plant in Ukraine.
How to Stop Getting Junk Mail and Save the...
Junk mail is more than an annoyance. It clogs landfills as well as your mailbox, and costs millions of trees and millions of tax dollars every year. Learn how you can reduce the amount of junk mail you receive by 90 percent.
The Benefits of Aluminum Recycling: Why Recycle...
Recycling aluminum saves energy, is good for the environment, and provides funds for many community programs and projects. Learn about the other benefits of aluminum recycling.
Are Backyard Barbecues Bad for Your Health?
Nothing says summer like the smell of a backyard barbecue, but along with the aromas of meat and vegetables on the grill you may also be inhaling cancer-causing chemicals. Studies have shown that grilling over charcoal releases soot and other pollutants into the air and creates carcinogens in the smoke from the grill and the food itself.
The Benefits of Plastics Recycling: Why Recycle...
Plastics recycling conserves natural resources, saves energy, and contributes to the U.S. economy. Recycled plastics is used in manufacturing many different products.
The Benefits of Paper Recycling: Why Recycle...
Paper recycling has many benefits, from saving energy to reducing greenhouse gas emissions. Why recycle paper? Get the details.
The Top 10 Worst Polluted Places on Earth
More than 10 million people in eight different countries are at serious risk for cancer, respiratory diseases, and premature death because they live in the 10 most polluted places on Earth, according to a report by the Blacksmith Institute, a nonprofit organization that works to identify and solve specific environmental problems worldwide.
What is Deforestation?
Deforestation is a growing global problem with far-reaching environmental and economic consequences, including some that may not be fully understood until it is too late to prevent them. But what is deforestation, and why is it such a serious problem?
What is Wind Power and How Does It Work?
Wind Power. What is wind power, how does wind power work, and what are the pros and cons of wind power?
Tropical Rainforests: Nature’s Medicine...
Tropical rainforest plants have produced thousands of lifesaving drugs, yet the potential of rainforest medicinals has only barely been tapped. Rainforest lands are disappearing at an alarming rate, due to development and deforestation, but preserving rainforests may be a life and death issue for untold numbers of people--now and in the future.
School Lunches: How to Make Cafeteria Food...
To improve the health of U.S. schoolchildren, cafeteria food has become the target in programs designed to improve school lunches, making school lunches and cafeteria food healthier and more eco-friendly.
How is Ethanol Made?
What are the raw materials and processes used to produce ethanol?
How to Protect Yourself from Cell Phone Radiation
Cell phone radiation may have serious health effects, according to a growing number of research studies. You can protect yourself from cell phone radiation by the way you use your cell phone. Learn how to lower your exposure and protect yourself from cell phone radiation.
Public Transportation: Fast Track to Fewer...
One of the easiest ways to pocket some extra green while living green is to use public transportation as often as possible. Using public transportation instead of driving alone in your car is good for the planet and good for your budget. Families that use public transportation regularly can save more money annually than the average U.S. household spends on food.
Which Trees Offset Global Warming Best?
Most scientists agree that planting trees is a good way to help reduce global warming and to keep the planet healthy, but which types of trees are best and what makes some trees better than others? Learn more about the best trees to plant to offset global warming.
Compact Fluorescent Light Bulbs: Change a Light...
Compact fluorescent light bulbs use less energy, last longer and cost less to use than standard incandescent bulbs--and they are good for the environment. Learn how changing just one light bulb could help change the world for the better.
What is a Tsunami?
What tsunamis are and how a tsunami is detected and tracked.
Top 8 Alternative Fuels
Alternative fuels such as ethanol, natural gas, propane, electricity, hydrogen, biodiesel, methanol and P-Series fuels provide alternatives to fossil fuels that are better for the environment and often better for the economy and your budget.
Are Smart Cars Safe and Economical—or...
Smart Cars are small and easy to park and maneuver in and out of city traffic, but just how safe and economical are they? Find out about Smart Cars' safety and fuel efficiency.
Pros and Cons of the Corn-based Plastic PLA
The corn-based plastic PLA has many uses and is often proposed as a green alternative to petroleum-based plastics. Although PLA is carbon neutral and emits no toxic fumes when incinerated, it has other problems that may limit its use as a replacement for traditional plastics.
How is Wildlife Affected by Global Warming?
How does global warming affect wildlife? Most researchers agree that even small temperature changes can send hundreds of already struggling species into extinctionun less we stem the tide of global warming. Learn how global warming affects wildlife around the world.
What was the worst environmental disaster in...
What was the worst environmental disaster ever to occur in the United States? The Dust Bowl of the 1930s, created by a combination of drought and erosion caused by poor farming practices, is considered by most experts to be the worst environmental disaster in U.S. history.
How Does Eating Locally Grown Food Help the...
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What are the Effects of Smog?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Learn more about the effects of smog.
Benefits of Glass Recycling: Why Recycle Glass?
Glass recycling is both simple and beneficial. Glass recycling saves energy, conserves natural resources, and is good for the environment. Recycled glass can be used to create new glass containers and a host of other glass products.
Flying vs Driving: Which is Better for the...
Flying or Driving? Does flying or driving generate more greenhouse-gas emissions and contribute more to global warming? Learn whether air travel or car travel is best for the environment in terms of fuel efficiency, cost effectiveness and reducing your carbon footprint.
Hurricane Katrina: What are the Environmental...
Hurricane Katrina--learn the environmental impacts of Hurricane Katrine, including industrial waste, raw sewage and oil spills, and the lasting danger that Hurrican Katrina poses to public health.
What is Drought?
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Five Ways to Help Save the Planet in 30 Minutes...
By choosing green living and an earth-friendly lifestyle, you can do a lot every day to help protect the environment. Here are five simple things you can do—in 30 minutes or less—to help protect the environment and save Planet Earth.
Gray Wolf Facts: Profile of the Gray Wolf Species
The gray wolf, an iconic species of the American West, is an endangered species in most parts of the world where it still exists. The endangered listing, passionately defended by environmentalists, is controversial among ranchers, hunters and many lawmakers who believe gray wolves have recovered sufficiently to have those protections removed.
Global Water Supply Drying Up as Population Grows
Water covers 70 percent of the Earth's surface, yet billions of people lack access to clean water. Population growth in many water-stressed countries, plus excess water use in developed countries, is shrinking water resources worldwide and raising fears about water scarcity. Learn what you can do to help.
One more hurdle cleared for the approval of the...
The State Department makes it easier for the Obama administration to approve the Keystone XL Pipeline.
The Benefits of Metal Recycling: Why Recycle...
Metal recycling conserves natural resources, saves energy, contributes to the U.S. economy and bolsters U.S. trade balances. Recycled metal from the United States is used for industrial manufacturing worldwide.
Global Warming: Causes, Effects and Solutions
The Intergovernmental Panel on Climate Change (IPCC) published a series of reports in 2007 that set forth conclusions about the causes and effects of global warming as well as the costs and benefits of solving the problem. The reports are intended to help policymakers make informed decisions and develop effective strategies to reduce greenhouse gas emissions and control global warming.
Do Biodegradable Items Really Break Down in...
The majority of garbage that goes into landfills is biodegradable, but most landfills are too tightly packed for biodegradation to occur and biodegradable items to break down. Learn what can be done to make landfills more effective.
Cell Phone Recycling: How to Recycle Your Old...
What happens to your old cell phone after you upgrade to a new model? Do stores really recycle old cell phones, or refurbish them and give them to the poor, or do they just end up in landfills? Learn how you can ensure your old cell phone is recycled and put to good use instead of damaging the environment.
Do Volcanoes Generate More Greenhouse Gas Than...
Do volcano eruptions really cause more greenhouse gasses than human activity? Learn the truth about volcanoes and greenhouse gas emissions, and how volcanoes contribute to global warming.
Celebrate Earth Day: How One Person Can Change...
Earth Day is a time when millions of people worldwide celebrate and renew their personal commitment to environmental stewardship. In the face of the huge global problems we are facing today, it is easy to feel overwhelmed and powerless, and to find ourselves asking, “What difference can one person make?” The answer is that one person can make all the difference in the world.
Why Do Whales and Dolphins Strand Themselves on...
Few things in nature are more tragic than the sight of a pod of whales—some of the most magnificent and intelligent creatures on Earth—lying helpless and dying on the beach. Mass whale strandings occur in many parts of the world, and we don't know why. Scientists are still searching for the answers that will unlock this mystery.
How to Keep Cool Without Air Conditioning
Keep cool with green alternatives to air conditioning. These cooling tips will help you keep cool.
8 Ways to Reduce Your Exposure to BPA
Studies have found links between bisphenol A (BPA), a chemical used in many everyday plastic products, and higher risks of heart disease, diabetes, and child development. Learn how to lessen your exposure to BPA and reduce your potential health risks.
Eco-Friendly Car Washing: Is It Better to Wash...
What is the best way to wash your car and keep the environment clean at the same time? Is it better to break out the bucket and sponge at home or drive through a commercial car wash? Learn the pros and cons of commercial car washes versus scrubbing your car in your driveway.
Coca-Cola Charged with Groundwater Depletion...
Groundwater depletion has become a serious problem in India, and villagers blame Coca-Cola for aggravating the groundwater problem. Learn what India's government and citizens are doing, and how Coca-Cola is responding to the groundwater and pollution charges.
Global Warming - El Niño, La Niña and...
What is the relationship between global warming and the El Niño and La Niña climate cycle that the Earth's atmosphere undergoes every few years? Are the two climate effects influencing global warming, or is global warming increasing the frequency and intensity of El Niño and La Niña?
When Did the U.S. Environmental Movement Begin?
When did the environmental movement begin in the United States? Can it be traced to a single moment or event, or was it a widespread grassroots movement that grew organically, like many of the crops it now champions? When did the U.S. environmental movement begin?
What are the Negative Health Effects of Red Meat?
What about red meat? Red meat has been associated with health problems like heart disease and colon cancer. Evidence also suggests that red meat meat may contribute to dementia, osteoporosis and other serious illnesses.
Green Light: Are LED Light Bulbs Better Than...
Are LED light bulbs really more energy-efficient than compact fluorescent lights (CFLs)? While most LED light bulbs are neither bright enough nor cheap enough to replace CFLs for every application, they are improving quickly.
Is Hydrogen the Fuel of the Future?
Hydrogen burns clean and nearly everyone agrees that running vehicles with hydrogen fuel cells instead of oil would be a great step forward for the environment. So what prevents hydrogen from replacing oil as the fuel of choice for most vehicles?
What are the Drawbacks of Using Ethanol?
Ethanol and other biofuels are often promoted as clean and relatively low-cost alternatives to gasoline, but what are the challenges inherent in the widespread adoption of ethanol and other biofuels?
Do You Know What Are the Top 6 Environmental...
What are the 6 top issues threatening our environment?
Can Ocean Desalination Solve the World's Water...
As ocean desalination plants are being built, environmentalists are expressing concerns about the long-term envionmental effects of desalination. Learn why desalination may not be the best solution to our water shortage.
Why Is Recycling Not Mandatory in All U.S....
If recycling is one of the three Rs of environmental preservation--reduce, reuse, and recycle--then why is recycling not mandatory everywhere in the United States and elsewhere? Should recycling be mandatory? What would have to change for recycling to become the law of the land?
Autumn Leaves: Burning Fallen Leaves May Be...
Autumn is here again, and the trees will soon be shedding their leaves in preparation for winter. Burning fallen leaves, which used to be as much a part of autumn as Halloween or Thanksgiving, pollutes the air and can cause serious health problems for many people. Learn how skipping the leaf fire this fall may actually give you a nicer lawn and garden next spring.
What are the Health Effects of Airport Noise...
Why airport noise and airport pollution increase risk for coronary heart disease, stroke, high blood pressure and other illness among people who live near airports.
How Do Humans Contribute to Greenhouse Gas...
One in a series of frequently asked questions about global warming and the emission of greenhouse gases.
What is Ethanol?
What is the alternative fuel ethanol and how is it used?
Eco-Friendly Drain Cleaners
Looking for a way to keep your drains unclogged without damaging the environment or your health? Learn about some of the best non-polluting, non-caustic options.
Beach Erosion: Can We Stop Beach Erosion from...
Beach erosion is accelerating due to rising sea levels, severe storms, and other natural forces. Is the damage from beach erosion temporary and reversible, or are our disappearing beaches gone forever? Find out more about what causes beach erosion and what can be done to stop it.
Mowing the Grass is Greener When You Don’...
Gasoline-powered lawn mowers may account for five percent of U.S. air pollution, according to the EPA. Mowing your lawn for an hour with a gas-powered mower pollutes the air as much as driving 100 miles in your car. Find out how you can make mowing your grass a little greener.
The 10 Worst Oil Spills in History
Naming the worst oil spills in history is a challenge, because there are many ways to measure the severity of oil spills—from the volume spilled to the extent of environmental damage to the cost of clean-up and recovery. This list describes the worst oil spills in history, judged by the amount of oil released into the environment.
Why Are Rising Sea Levels a Threat?
Global warming is causing rising sea levels--what is predicted for rising sea levels and how will that affect us? Is it too late to prevent rising sea levels?
Why is Lightning Dangerous?
Worldwide, approximately 10,000 people are killed by lightning every year and 100,000 are injured. What makes lightning so dangerous and how does it compare to other weather hazards?
Solar Power: The Pros and Cons of Solar Power
The sun is a virtually endless source of clean, renewable energy, which should make solar power a logical alternative to finite fossil fuels.
Why are Wetlands Important?
Wetlands play a critical role in our ecosystem, and wetlands in North America are threatened by development and pollution. Learn why wetlands are so important, and what governments and groups are doing to protect wetlands.
Profile: Exxon Valdez Oil Spill
The 1989 Exxon Valdez oil spill fouled the waters of Prince William Sound in Alaska. The Exxon Valdez oil spill coated more than a thousand miles of pristine coastline and killed hundreds of thousands of birds, fish and animals. The Exxon Valdez oil spill has become a symbol of human-caused environmental disasters.
Sugar Produces Bitter Results for the Environment
Sugar is many products we consume every day, yet we rarely give a second thought to how and where it is produced and what toll it may take on the environment. Find out why sugar may be creating a bitter environmental legacy.
Tap Water in 42 States Contaminated by Chemicals
Public water supplies in 42 U.S. states--the tap water millions of Americans drink every day--are are contaminated with 141 unregulated chemicals for which the U.S. Environmental Protection Agency has never established safety standards, according to an investigation by the Environmental Working Group.
What is Fracking, Hydrofracking or Hydraulic...
Hydraulic fracturing is more commonly called fracking or hydrofracking. The term has been popularized due to controversies surrounding its use.
How Much Does it Cost to Use Ethanol?
What is the true cost of using ethanol, or an ethanol blend, as an alternative fuel in place of gasoline?
Progress is Slow on Reducing, Reusing and...
Along with burgers, tacos and french fries, fast food restaurants serve up a mountain of paper, plastic and Styrofoam waste every day. Fast food waste is a growing problem, as fast food chains expand and open new restaurants around the world. Some fast food companies have taken voluntary steps to reduce, reuse or recycle their waste, but is that enough? Do we need stronger regulations to govern fast food waste?
Can You Recycle Your Toothbrush?
Recycle your toothbrush? Why not? Fifty million pounds of toothbrushes are tossed into U.S. landfills every year. Don't let yours be one of them. Several companies now offer eco-friendly products or programs that enable you to recycle or reuse your toothbrush.
Should Genetically Modified Food Products Be...
Many consumers have concerns about genetically modified foods and want labels that will identify genetically modified food products so they have a choice.
How Safe are Cell Phones?
As more and more people use cell phones, even replacing their land lines in favor of the mobile gadgets, are they exposing themselves to a form of radiation that could lead to brain tumors and other health problems? Researchers still can't say conclusively that cell phones cause cancer, but the potential health risks of long-term cell-phone use are starting to worry an increasing number of scientists and public officials.
All About Global Warming
Climate change, specifically global warming, has captured the attention of people worldwide and has inspired more debate and action—personal, political and corporate—than perhaps any other environmental issue in history. But all of that discussion, along with the mountains of data and conflicting points of view that go with it, sometimes make it hard to really know what’s going on. This guide will help you cut through the rhetoric and confusion and get to the facts.
Sweden Aims to be World's First Oil-free Nation
Sweden has set an ambitious goal to eliminate its dependency on oil by 2020. The nation of 9 million people has made a good start at becoming oil-free. Sweden is already less dependent on oil than other nations in the European Union and a world leader in the use of renewable energy.
Climate Change Is Disrupting Signs of Spring
Phenology is the cyclic appearance of natural events. Global warming is shifting the timing of these events, sometimes disrupting delicate ecological interactions.
What is Air Pollution?
What is air pollution? Defining air pollution is not as simple as it seems, because air pollution can take many forms, derive from many sources, and include many different pollutants and toxins.
Keeping Your Tires Inflated Could Help Save the...
Keeping your tires properly inflated is one of the simplest things you can do to help fight global warming, lower your fuel costs, and stay safe on the road. And with Congress requiring automakers to install new technology that monitors tire pressure and warns drivers when it drops too far below recommended levels, keeping your tires inflated will soon be even easier.
Farmed Salmon vs Wild Salmon: Which is Best for...
What are the differences between farmed salmon and wild salmon when it comes to human and environmental health?
Where to Find Eco-Friendly Carpet Cleaning...
Traditional carpet cleaning solution contains chemicals that can damage health and the environment. Learn where to find healthier professional and do-it-yourself carpet cleaning options.
Billions of People Face Food Shortages Due to...
Half of the world’s population could face severe food shortages by the end of this century as rising temperatures shorten the growing season in the tropics and subtropics, increase the risk of drought, and reduce the harvests of dietary staples such as rice and maize by 20 percent to 40 percent, according to a study published in the journal Science.
How Are Tsunamis Detected?
How scientists identify tsunamis; scientific methods for detecting a tsunami.
Are Cell Phones and Microwave Radiation Really...
Scientific research indicates that exposure to cell phones and microwave radiation can cause health problems. Learn more about the health effects of cell phones and microwave radiation.
How to Fight Global Warming
Want to fight global warming? These 10 simple actions will help you fight global warming by using energy wisely.
Are Dishwashers Good for the Environment?
Is it more environmentally friendly to hand-wash dishes or to use a dishwasher? The answer may surprise you. Learn what the experts say.
Tired of Mowing and Maintaining Your Lawn? What...
Tired of spending dozens of hours and hundreds of dollars mowing and maintaining your grass lawn? Low-cost, low-maintenance alternatives to grass lawns can free you from your lawn mower, save you money, and provide attractive green spaces without the need for toxic chemicals. Learn more about alternatives to grass lawns.
Global Warming Leads to 150,000 Deaths Every Year
Along with posing serious future threats to human health, global warming currently contributes to more than 150,000 deaths and 5 million illnesses every year, according to the World Health Organization and the University of Wisconsin at Madison. And those numbers could double by 2030.
Ticked Off About Ticks?
Ticks are small insects that can cause big problems, such as Lyme Disease. But the commercial products designed to kill or repel ticks are as dangerous as the ticks themselves, containing chemicals that can damage the nervous systems of pets and people and lead to cancer and other diseases. Find out how you can avoid ticks without dousing your house and yard with toxic chemicals.
Solar Water Heaters: What are the Benefits?
Why solar water heaters are good for the environment, and how solar water heaters can save consumers money.
Why Recycle Cell Phones?
Why recycle cell phones? That's easy. Recycling cell phones saves energy and conserves natural resources.
Hemp: Miracle Fiber or Dangerous Drug?
What did the Gutenberg bible, Christopher Columbus' ropes and sails, the Declaration of Independence and the first American flag have in common? They were all made from hemp, a crop so versatile it can be used to make cloth, paper, even food. So why is the United States the only developed nation where growing hemp is illegal?
Buy a New Car or Keep the Old: Which is Better...
Is it better to drive an older, well-maintained car that gets about 25 miles per gallon, or to buy a new car that gets about 35 miles per gallon? What about hybrids or electric cars? Does driving a more fuel-efficient car always guarantee fewer emissions and a lower carbon footprint?
How Does Ethanol Performance Compare to Gasoline?
Ethanol is widely available and reasonably inexpensive, but what kind of performance can drivers expect from a car running on ethanol or an ethanol/gasoline blend?
How to Find Products “Not Tested on...
What does it really mean when a product says
Amazon Rainforest: Half of Remaining Rainforest...
Preserving the Amazon rainforest in South America, as well as other rainforests worldwide, remains an important global environmental issue, even when the news media turns its attention elsewhere. Although they cover a relatively small percentage of the planet, rainforests are home to about half of the plant and animal species on Earth. Yet, according to the United Nations, at least 37.5 million acres of rainforests are lost every year. Find out more.
World Water Day: A Billion People Worldwide...
World Water Day -- More than a billion people lack access to safe drinking water. Every day, 14,000 people die from diseases caused by this global water crisis, the majority of them children under 5 years old. World Water Day is an annual observance to raise public awareness about this critical global health issue and to inspire personal action. Read the interview with Gary White, executive director and co-founder of WaterPartners International, to learn how you can help.
What are the health effects of red tides and...
How do red tides and other harmful algae blooms affect human health?
Malnutrition, Pollution and Population Growth...
Global pollution combined with population growth is leading to widespread malnutrition and making millions of people more susceptible to a range of infectious diseases--from measles and influenza to malaria--according to researchers at Cornell University. Malnutrition currently kills 6 million children annually, and affects 57 percent of the world's people.
What are the Potential Health Effects of...
The use of bisphenol A in thousands of common household and consumer products has become increasingly controversial as new concerns about the potential health effects of bisphenol A continue to emerge. But what is bisphenol A exactly, and what do you need to know about bisphenol A to protect yourself and your family?
What Is a Carbon Tax?
Learn what a carbon tax is and how a carbon tax works. Carbon tax is making the news as environmentalists and governments try to slow global warming.
Is Ocean Power a Viable Energy Source?
In the search for renewable energy sources, ocean power is an option. Learn how pioneer companies can use ocean power to produce energy.
Does Climate Change Cause Extreme Weather?
Single weather events can't be linked directly to climate change, but weather trends are a different story. Weather is becoming more extreme, and climate change is the reason. Learn more about the link between climate change and extreme weather.
When is Arbor Day?
When is Arbor Day celebrated in the United States and around the world? Is Arbor Day always celebrated on the same day, or does it differ from region to region? And is Arbor Day always called Arbor Day?
How Much Energy Does It Take to Make Bottled...
Bottled water is very popular, but at what cost? How much energy should we spend on bottled water when tap water is so much more economical?
What is the Problem with Soft Drinks?
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >Dear EarthTalk:
What is Smog?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. What exactly is smog, and how does it form?
What Does "Biodegradable" Claim Really Guarantee?
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >Dear EarthTalk:
How to Make Eco-Friendly Home Improvements
Making eco-friendly home improvements is easier than you may think, and the benefits to your health and the environment can be dramatic. Learn more about do-it-yourself eco-friendly home improvements, and get the resources you need to make eco-friendly home improvements a snap.
Does Sunscreen Really Protect You?
Sunscreen is supposed to let you get enough sunshine for good health while shielding you from harmful rays that can cause sunburn and skin cancer. Does your sunscreen offer the protection you need, or leave you exposed to UV radiation and harmful chemicals?
How Dangerous is Atrazine?
Atrazine is a widely used herbicide that is banned in Europe, but often found in U.S. drinking water supplies. Growing evidence about the health effects of atrazine are leading many people to question its safety.
Real Sponges or Artificial Sponges: Which is...
A sponge is a sponge, right? Well, no. Some sponges are living organisms that have been harvested for centuries and used in the ways we know them best. Others are artificial replicas, made from wood pulp and other ingredients. Which is better for the environment?
What is Earth Hour?
Ever since Sydney, Australia held the first Earth Hour in 2007, Earth Hour has become a global event that grows larger each year, inspiring millions of people worldwide to take action against climate change.
How Does Carbon Sequestration Help Reduce...
Maybe you've heard the term. Environmental Issues.
Cross-Border Pollution: A Growing International...
Cross-border pollution is a serious environmental problem that often frustrates national solutions. As pollution from one nation contaminates the air and water of another, it creates a dilemma for both and leaves local communities with few real options.
Water Now More Valuable Than Oil?
The most valuable commodity in the world today is not oil, but water. Many of the world’s leading investors and most successful companies are making big bets on water. There simply isn’t enough usable water to go around, and the situation is expected to get worse before it gets better.

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