Troubling reasons why India's games may not be very green.

These figures should make critics of China's energy policies think twice.

Nothing could be as much a mirror of poor people's food plight today as Thai farmers reportedly conducting armed vigils in their rice fields at night to prevent thieves from reaping the crop.

"Two decades ago, the rains in southern Sudan began to fail. The drying of sub-Saharan Africa derives, to some degree, from man-made global warming. It is no accident that the violence in Darfur erupted during the drought."

Urbanization, intensive farming, damming, and warring political ideologies are just a few of the hurdles that researchers will need to overcome to protect the Mekong River, one of the most important waterways in Asia. Luckily, they have a plan.

Social entrepreneurs star at World Economic Forum

Shah borrowed $2,000 from a local trafficker, promising to repay the loan with 24 kilos of opium at harvest time. Late last spring, just before harvest, a government crop-eradication team appeared at the family's little plot of land in Laghman province an

A question: are massive tax hikes against gas guzzling vehicles a good thing?