All eyes on China, India as summit begins

Coal-burning power plants belch pollutants into the air in China, contributing to global warming that experts say has destroyed billions of dollars in crops. In India, melting Himalayan glaciers cause floods, while raising a more daunting long-term prospect: the drying up of life-sustaining rivers. The two economic giants are becoming increasingly aware of the effects of rising temperatures. But though they are among the biggest contributors to the problem, both... BT