Stories by Nayantara Narayanan

Heavy rains could occur 30 percent more frequently by the end of this century, thanks to climate change

The economist who laid out the business case for combating climate change in 2006 suggests that his own review underestimated the risk from global warming

China's energy consumption continues to grow, raising worries about supplies it primarily relies on: dirty coal

The new bulb-shaped set of light-emitting diodes only costs less than $20

Agriculture remains the largest contributor but industry and transportation are growing fast

The butterflies rely on the thaw of spring to tell them when to begin the long journey back north but global warming may disrupt the timing