climate change

How can the continental U.S. and Europe be experiencing such radically different winters?

Earth's population broke 7 billion late last year because we've become amazingly proficient at raising food. But our distribution is far from perfect

What unusually mild temperatures do -- and don't -- tell us about climate change

The upcoming U.N. gathering in Durban will likely be a bust. Here's what we should do instead

In hard economic times, a global climate deal is less likely than ever

From Tuvalu to Texas, the combination of climate change, bad weather and poor resource management has made people realize how vital access to clean water really is

One of America's major political parties has, in effect, adopted climate-change denial as policy. How did this happen?

The physical changes from global warming are visible in the Arctic almost in real time -- and they are a warning for those of us who live in more comfortable latitudes

Al Gore asks the world to wake up before it's too late, but money and politics could spell doom

Climate change advocates are starting to take a more pragmatic approach, realizing that they will have more success by tying their proposals to improvements in global health and wealth than just the environment