NASA tries to answer the question.
What are the risks of genetically modified food? And how can critics avoid bias when they study them? We take a deeper look.
As temps rise, Upstate New York's summer icon faces dead zones and declining water quality. But scientists hope a supercomputer solution can turn the tide -- for this lake and others.
The Interior Department says that, contrary to State Department findings, the pipeline could wreak havoc on wildlife along its proposed route.
Climate change is not an "environmental problem" and it can't be adequately covered by the shrinking ranks of environmental journalists.
China's industrial behemoth hasn't just fouled up the vast nation's water; it's also taken a big bite out of its land.
So far, supporters of a Washington state ballot measure have spent four times as much as opponents.
Humans are playing bartender with the climate, and it doesn't bode well for your beach vacation.
Here's how the Bay Area, Sacramento, and San Diego are cutting greenhouse gases in response to S.B. 375.