Erasing your "carbon footprint" is tougher than it seems.
Airplanes produce staggering amounts of carbon dioxide--and there's no way to make them more energy-efficient.
Could clean coal become a reality, or is it just another corporate fantasy?
The world's most industrialized countries started the climate crisis, but China might well finish the job.
Melting ice is threatening the centuries-old society of the Gwich'in tribes.
Areas like Bangladesh and New Orleans, which promise to be hard hit by climate change, face a stark decision.
Can the ruling classes save the world from global warming?
Green utilities are growing, but they need to grow faster.
If Congress follows these five suggestions, we could solve the problem of global warming.
A landmark decision in Rhode Island holding three manufacturers responsible for lead poisoning is a sign of progress nationwide.