Climate change

Global food prices are expected to rise in the long term as population grows, but a new study warns that severe weather events like this year's drought in the U.S. could spike prices higher suddenly.

Commentator Mark Bittman says industrial meat production accounts for at least one-fifth of greenhouse gas emissions.

The latest study on the unprecedented loss of ice covering the Arctic says it is 70 percent the result of human-caused climate change.

Three days of extreme heat in Chicago in 1995 caused over 700 deaths. New York University professor Eric Klinenberg talks about what we've learned from that catastrophe.

Yvo deBoer, co-writer of the original Kyoto Protocol, talks about the Rio+20 Earth Summit, how climate change is being perceived in the global community, and names a surprising country that's making the best sustainable efforts right now.

A group of teenagers is taking the U.S. government to court for not responding to climate change. Can individuals really use the government?

The IPCC is about to release its latest findings regarding extreme weather trends and climate change. The predictions can help insurers figure out what to cover, and for how much.

Bangladesh, once a poster child for the food crisis, has made dramatic progress. But will our changing climate sweep away the gains?

A document leak from the anti-climate crusading Heartland Institute shows many mainstream corporate donors.

With a low bar set, there is hope that attendees of the summit can at least agree to make a plan to stop climate change