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After China and the U.S., which country emits the greatest quantity of greenhouse gases per year? Answer high-tech Japan or industrial Germany, and you flunk
Scientists say that global warming is "very likely" driven by the buildup of carbon dioxide (CO2) and other greenhouse gases caused by human activity
One organization chooses the world's wonders that most need protection and lists them as endangered-species and eligible for international stewardship and restoration funds
We conserve at home, but once we're at work we turn into triplicate-printing, paper-cup-squashing, computer-running earth befoulers
A handful of utilities have begun to cut their emissions of CO2 20% during the next 20 years, largely through conservation programs and the use of solar and geothermal technologies
Nature is making a comeback in Sao Paulo, Brazil, thanks largely to an organization aiming to protect and reconnect the last precious remnants of the Mata Atlantica forest
As a child it's not hard to believe you can change the world. Now, my confidence in people in power and in the power of an individual's voice has been deeply shaken
Florida's new G.O.P. Governor hopes to erase the impression that Republicans don't prioritize environmental issues
If human activity causes global warming, then human inactivity in the political and diplomatic realm may prove be as great an obstacle to solutions
Wilderness is worth a fortune. Recognizing that will help us preserve what's left of the natural world
The climate is crashing, and global warming is to blame. Why the crisis hit so soon--and what we can do about it
Evidence mounts that human activity is helping fuel these monster hurricanes
There is no such thing as normal weather. But the signal that changes may be in the works is a long-term shift in worldwide temperature, and that is precisely what's happening
"Destruction of the Amazon is "one of the great tragedies of history"