Sustainability

This Soviet truck was propelled by wood and water

Yes, trees do play a part in smog production

Report: Global cooling ended in the 19th century

Claim: Earth hottest in 1,400 years

Designing better batteries with sulfur waste

Massive "greening" of the Arctic predicted by the NSF

Hydrogen fuel breakthrough could revolutionize the alternative energy market

Tropical Peruvian ice cores yield important environmental data

Report: Metals in flowers may be killing bumblebees

Republicans get serious about climate change