Obama's Climate Compromise Leaves a Bitter Aftertaste

No one is showing much enthusiasm for the Copenhagen Accord. But politics is the art of the possible, which is what the President achieved

Five Lessons From the Copenhagen Climate Talks

That the negotiations were excruciatingly difficult is a sign of progress: At stake were policies with real consequences

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A Ray of Hope for the Forests

In Copenhagen, a Last-Minute Deal That Satisfies Few

The U.S., India, China, Brazial and South Africa hammer out an agreement to keep the summit from collapse. But other countries are not happy about being left out of the negotiations — and could vote it down

Climate Change: The Tragedy of the Himalayas

Climate change is melting glaciers high in the Himalayas, threatening crucial water resources for much of Asia — and giving us a convincing reason to fight it

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Himalayan Glaciers Under Threat

An Indian Village Sees the Downside of Carbon Trading

Market-based mechanisms for reducing greenhouse-gas emissions are subsidizing some of the world's worst polluters, critics say

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China's Pledge on Carbon Emissions: Is It Enough?

Beijing's decision to bring targets on carbon emissions reductions to Copenhagen is hopeful, but it is important to understand what exactly Beijing is promising — and what it's not

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Tallying Biofuels' Real Environmental Cost

New studies show that biofuels are not carbon-neutral -- quite the opposite, in fact -- and that the world must account for their environmental impact in order to curb climate change

Indonesia's Green Gamble

In Geneva, Designing a Global Climate-Alert System

Delegates from more than 150 nations gather this week at the World Climate Conference in Geneva to craft a better global alert system for climate change

Four Years Later, New Orleans' Green Makeover

After Hurricane Katrina flattened New Orleans on Aug. 29, 2005, the city emerged as an inadvertent symbol of global warming, the first American victim of climate change

The Four-Day Workweek Is Winning Fans

Shifting to a four-day workweek could save energy, cut traffic--and make you happier

Better Bulbs

High-tech lighting is getting more energy-efficient and more aesthetically pleasing too

Climate-Summit Agreement Still Far Off

With a new, more eco-friendly U.S. President, there were high hopes for Copenhagen. But little progress has been made toward a meaningful agreement