A toxic purple haze of diesel exhaust hangs over the rice and jute fields here in northern India, and bird songs are frequently drowned out by the chug-a-chug-a- chug of diesel generators. Across the

Stem cell researchers reacted with enthusiasm — and reservations — to a report that scientists had found stem cells in amniotic fluid, a discovery that might allow them to sidestep the

A growing outbreak of Rift Valley fever has killed at least 62 people in northeastern Kenya, and health officials fear that it could become much more widespread. The disease primarily infects

A growing outbreak of Rift Valley fever has killed at least 62 people in northeastern Kenya since last month, and health officials fear that it could become much more widespread. The disease

Climate change will harm China's ecology and economy in the coming decades, possibly causing large drops in agricultural output, a government report made public Wednesday

Norway plans to offset the greenhouse gases caused by state employees' flights abroad by buying emissions quotas to help combat gloabl warming, Prime Minister Jens Stoltenberg

Polar bears are becoming canaries in the mine, warning of the consequences of global warming. Even the Bush administration has been forced, grudgingly, to acknowledge this. Last week, it proposed to

Some of the world's most abundant deposits of diamonds are embedded in the reddish soil of the Amazon jungle here. But for the Cinta-Larga Indians who live on this remote reservation, that discovery

A small fire broke out at a northern Japan nuclear power plant on Friday, but no one was injured and there was no risk of radiation leakage, a power company official

The U.S. beef industry's troubles in Outh Korea have increased after the government said it had found traces of dioxin in a shipment of American