Environmental Issues: Most Popular Articles
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.
Want to fight global warming? These 10 simple actions will help you fight global warming by using energy wisely.
This article explores the safety and potential health risks of several types of cookware, from Teflon to aluminum to stainless steel.
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.
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.
Ethanol is a relatively low-cost alternative fuel. What are the pros and cons of using ethanol or an ethanol blend in place of unblended gasoline?
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?
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.
Plastic is confusing to recycle; different types require different processing to be re-used. To sort it all out, learn what plastic numbers are.
Plastics recycling conserves natural resources, saves energy, and contributes to the U.S. economy. Recycled plastics is used in manufacturing many different products.
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Here are important FAQs about smog.
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.
Human activities are creating excess greenhouse gases that trap heat in the atmosphere and lead to global warming.
Paper recycling has many benefits, from saving energy to reducing greenhouse gas emissions. Why recycle paper? Get the details.
Renewable energy is increasingly important as the world faces the threat of global warming. Find out more about the main sources of renewable energy.
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 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.
Bottled water companies would have you believe that tap water is unsafe to drink, but most experts say that most tap water is actually safe.
Americans throw away almost 100 billion plastic bags every year. Learn why you should help the environment by reducing your use of plastic bags.
What is the alternative fuel ethanol and how is it used?
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.
How do red tides and other harmful algae blooms affect human health?
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.
The basic facts about the massive Aliso Canyon methane leak near the Porter Ranch community of Los Angeles.
Find out what greenhouse gases are, how they work, and the role they play in warming our atmosphere through global climate change.
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 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?
The sun is a virtually endless source of clean, renewable energy, which should make solar power a logical alternative to finite fossil fuels.
Globally, 2015 was the hottest year since modern record-keeping began in 1880, easily surpassing the previous record year.
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.
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 is the true definition of drought?
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.
Derived from plants, biofuels are renewable and cleaner than petroleum products, but many environmental experts agree on several drawbacks as well.
Public water supplies in 42 U.S. states--the tap water millions of Americans drink every day--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.
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?
Wind power: what is wind power, how does wind power work and what are the pros and cons of wind power?
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.
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.
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?
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.
Tropical rainforest plants have produced thousands of lifesaving drugs, yet the potential of rainforest medicinal plants has only barely been tapped.
Is it better for the environment to use synthetic or conventional motor oil in your car's engine? Learn the pros and cons of both types of oil, and find out about promising research into plant-based alternatives.
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.
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.
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.
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.
The basics you need to know about water pollution: definition, causes, examples, and solutions.
The Malheur National Wildlife Refuge is an isolated, little known oasis with tremendous importance for migrating birds.
Metal recycling conserves natural resources, saves energy, contributes to the U.S. economy and bolsters U.S. trade balances.
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.
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.
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.
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.
Find out which ingredient in most plastic containers that makes it so hard to recycle them, and how corn plastic could be the eco-friendly answer.
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.
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?
Light-emitting diodes (LED) are more energy-efficient than compact fluorescent lights (CFLs), among many other advantages.
The fireworks display you watch on national holidays could leave you with more than a patriotic feeling. Fireworks litter the ground, pollute water supplies, and rain down chemicals and heavy metals that contribute to a wide range of serious health problems. Maybe it's time for a change.
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.
Why solar water heaters are good for the environment, and how solar water heaters can save consumers money.
A simple discussion of the raw materials and processes used to produce ethanol.
A simple, quick read summarizing global climate change, including what it is, how it happens, and what the consequences are.
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.
Glass recycling is both simple and beneficial. Glass recycling saves energy, conserves natural resources, and is good for the environment.
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.
America Recycles Day takes place every year on November 15, proclaimed by the president and celebrated in communities nationwide with events that educate people about the benefits of recycling and of purchasing products made from recycled materials.
What are tsunamis, some recent examples, and environmental consequences of these natural disasters.
Foods grown locally make a lot of sense for those who want more control over what they put into their bodies.
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.
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.
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.
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?
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.
The quality of a large proportion of the nation's rivers is compromised by water pollution. Three types of pollutants account for most of the water pollution problems.
Using public transportation instead of driving alone in your car is good for the planet and good for your budget. So why don’t more Americans use it?
Learn about road salt, and how its use has damaging environmental effects on water, plants and animals.
El Niño conditions create havoc in much of the country. Has the frequency and intensity of El Niño events increased due to global climate change?
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?
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.
Many fuels can provide alternatives that are better for the environment and often better for the economy than fossil fuels.
According to the American Lung Association, more than half of all Americans live in counties with unsafe levels of smog and particle pollution, which leads to many lung and respiratory illnesses.
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?
Air quality during a heat wave not only feels worse, it is worse. Find out how heat waves affect air quality, and what you can do to protect yourself from poor air quality and heat waves.
A discussion about the use and safety of plastics, stainless steel, aluminum, and glass as materials for reusable water bottles.
Compact fluorescent lamps, which use far less energy than standard incandescent light bulbs, contain mercury that should be recycled to avoid creating risks to public health.
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.
A detailed profile of the Chernobyl accident, the worst nuclear accident in history, which occurred in 1986 at the Chernobyl power plant in Ukraine.
Chromium-6 is a human carcinogen when inhaled, and there is growing concern about the possible health effects of chromium-6 in drinking water.
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.
Millions of people are at serious risk for cancer, respiratory diseases, and premature death because they live in the 10 most polluted places on Earth.
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.
Once and for all, understand the real role ozone plays in global warming.
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.
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.
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.
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.
Find out which environmental issues our expert ranks as the most concerning of our times.
Ethanol may be good for the environment and the economy, but how easy is it to find fueling stations that sell ethanol or ethanol blends?
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.
Hydraulic fracturing is more commonly called fracking or hydrofracking. The term has been popularized due to controversies surrounding its use.
The United Nations Environment Programme is coordinating a worldwide campaign to encourage people and organizations to plant at least a billion trees in a single year. Even that is only a small start on the work that must be done to restore the forests we have lost over the past decade alone. Find out how you can help.
Phosphorus and nitrates in rivers are a major source of water pollution. Find out what these nutrients are, why they are a problem, and what can be done to prevent it.
A review of the environmental costs, including some benefits, associated with hydraulic fracturing for natural gas.
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.
Why recycle cell phones? That's easy. Recycling cell phones saves energy and conserves natural resources.
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.
Tesla is now building more than cars. Will their new household battery facilitate the use of home-scale renewable energy systems like solar, wind, or micro-hydro?
The potential health risks of long-term cell-phone use are starting to worry an increasing number of scientists and public officials.
Several companies now offer eco-friendly products or programs that enable you to recycle or reuse your toothbrush.
What is the true cost of using ethanol, or an ethanol blend, as an alternative fuel in place of gasoline?
Ethanol is widely available, but what kind of performance can drivers expect from a car running on ethanol or an ethanol/gasoline blend?
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?
How scientists identify tsunamis; scientific methods for detecting a tsunami.
Learn how to lower your exposure and protect yourself from cell phone radiation.
Worldwide, about 10,000 people are killed by lightning every year. What makes lightning so dangerous and how does it compare to other weather hazards?
Most researchers agree that even small temperature changes can further threaten already struggling species. Learn how global warming affects wildlife.
Looking for tax incentives? Learn how to take advantage of green living tax incentives for individuals and businesses in the U.S. and Canada
All farming was organic for thousands of years, but then mankind discovered chemical pesticides and fertilizers and began to believe they were the secret to high crop yields and high profits. New research confirms organic farming is still best for farmers and consumers--and may be the only way to end world hunger without harming the planet.
Find out the causes of red tides, the role of humans, the effects of global climate change, and the mysterious role played by far-flung dust.
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.
Online bill paying is gaining popularity and it's good for the environment. Here's how online bill paying reduces waste while saving you time and money.
Learn about the Intergovernmental Panel on Climate Change, how it is organized, and what are its contributions to global warming discussions.
U.S. automobiles and light trucks are responsible for nearly half of all greenhouse gases emitted by automobiles globally, according to a new study by Environmental Defense.
Downhill skiing and snowboarding allow experiencing the mountains up close, but it also has consequences on the environment.
California's ongoing drought is in its fourth year; what are the environmental consequences?
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.
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?
Beach erosion is accelerating due to rising seas and severe storms. Find out more about what causes beach erosion and what can be done to stop it.
Burning natural gas for electricity generation produces lower amounts of greenhouse gases than does coal. But when we consider the entire extraction and process, which of these fossil fuels comes ahead?
Chromium-6 is one form of the metallic element chromium, and a human carcinogen when inhaled. It is sometimes detected in public drinking water.
On March 19, 2014 the White House announced the creation of a climate change data center. Driven by the National Oceanic and Atmospheric Administration (NOAA)
Maybe you've heard the term. Environmental Issues.
What is bisphenol A (BPA) exactly, and what do you need to know about it to protect yourself and your family?
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.
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?
We heard that there is a gigantic floating island of trash far out in the Pacific Ocean. What really is out there, and what environmental impacts does it have?
Half of the world's population could face severe food shortages by the end of this century according to a recent study.
Find out what nitrogen dioxides (NOx) are, why they are a serious environmental concern, and what role they play in the Volkswagen diesel engine scandal.
Chromium-6 is a human carcinogen when inhaled, and there is growing concern about the possible health effects of chromium-6 in drinking water.
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.
Nowadays, opportunities for amateurs to contribute to science abound. Learn more about citizen science. (Photo: Black-throated Blue Warbler. USFWS)
Almost half of the United States lake waters have pollution problems. Find out what the top types of lake pollution are, what the sources, and what you can do.
Why are African wildlife numbers dwindling? Find out what threatens African elephants, hippos, rhinos and lions, plus how you can help save African wildlife.
Use online calculators to measure your carbon footprint and discover how you can reduce your carbon footprint with simple, everyday lifestyle changes.
Years after the first reports of honeybees disappearing, honeybees are still threatened. What's the latest info on honeybees disappearing, and how does organic farming affect honeybees disappearing?
I suggested earlier than one of the top environmental issues is the way in which we use land. One of the resulting pattern is widespread landscape
Thomas Edison may have invented those incandescent light bulbs everyone is replacing these days, but he was also a pioneer in the use of renewable energy and green technology.
Brazil has unveiled a plan to slow deforestation in the Amazon rainforest by more than 70 percent by 2018, which will significantly reduce global greenhouse gas emissions, protect wildlife habitat, and preserve valuable medicinal plants.
Invasive species are viewed by some conservation scientists as a more immediate and severe threat to our environment than even global warming. The variety