Feeling hungry? Maybe that’s because of all the news, from around the world, about food today — how much people produce, how much more they need, how much it’s going to cost, how much of an effect…

The great thing about presidential commissions is that they can soberly consider complicated matters and then offer unvarnished reports on what to do. The tough part is when that information rockets…

More than the climate is changing above the Arctic Circle. Meet the grolar bear.

You sort of have to like a U.S. cabinet secretary and Nobel Prize winner who knows how to have a little fun while getting out a message.

When Barack Obama heads for India next month, he’ll be carrying a heavy policy agenda. Rajendra Pachauri, the Nobel Peace laureate who heads the U.N. Intergovernmental Panel on Climate Change, hopes…

Would you keep a tiger as a pet?

The Next Big Thing in biofuel might involve genetically engineered plants that digest themselves, making it cheaper to turn them into fuel. That’s one of the new ideas that Arun Majumdar, head of the…

Take a look at a new movie of walruses crowding an Alaska beach — as you’ve never seen them before!

Nine shark-attack survivors from five countries headed for the United Nations in New York City to plead the case for shark preservation. U.N. member countries could take this issue up this week as part of an annual resolution on sustainable fisheries.

As the special envoy on climate change for the World Bank, Andrew Steer might be thought of as the $6 billion man of environmental finance.

The oil is no longer gushing into the Gulf of Mexico from the broken BP well, and a final “bottom kill” is in prospect. That means the environment’s on the mend along the Gulf Coast, right? Not exactly. There’s still the problem of subsidence to deal with.

Oil caused the mess in the Gulf of Mexico. Should U.S. oil royalties pay for scientists to study what happened, and what’s still happening, to this complex environment?

Ever wondered what kinds of wildlife dominate the world’s seas and oceans? Now there’s an answer, at least in terms of the number of species in different categories. It’s not fish. It’s not mammals. It’s crustaceans!

Nearly three months after the blowout at BP’s Deepwater Horizon rig, there are pelicans touched by the oil where the impact is far less apparent, though still real.

Republican Senate candidate Carly Fiorina, running in the California primary and ultimately aiming to unseat Democrat Barbara Boxer, paid for and appeared in a campaign ad slamming the sitting senator for being “worried about the weather” when there are serious concerns like terrorism to deal with.