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Global Warming: Frequently Asked Questions

This FAQ provides detailed information about the causes and anticipated effects of global warming.
Is Global Warming a Hoax?
Some people, although not many, claim that global warming is a hoax. The widespread consensus among scientists, politicians and business leaders worldwide says otherwise. This article spells out some of the evidence and arguments that refute the claim.
What Causes Global Warming?
Human activities are creating excess greenhouse gases that trap heat in the atmosphere and lead to global warming.
Global Warming - What are Greenhouse Gases?
One in a series of frequently asked questions about global warming and greenhouse gas emissions.
Global Warming FAQ - How do humans contribute to greenhouse gas emissions and global warming?
One in a series of frequently asked questions about global warming and the emission of greenhouse gases.
Global Warming FAQ - Are Levels of Greenhouse Gases Increasing?
Levels of carbon dioxide and other greenhouse gases in the atmosphere are increasing at unprecedented rates.

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Environmental Issues

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