climate change

Science, Tech & Environment

Melting Arctic sea ice doubles the chances of harsh winters in other parts of the world

When most people hear the term "global warming," they naturally think of air temperature. In reality, more than 90 percent of the warming caused by greenhouse gases happens in the oceans. Much of this warming takes place in the waters in and around the Arctic Ocean, leading to increasingly rapid melting of sea ice. A new study links this melting to cold, harsh winters that are becoming more common in parts of the world.

Global Politics

Palau envoy

Palau and other Pacific island nations aren't represented at the United Nations by their own citizens. They're represented by American lawyers and law students. The Americans are pushing the UN to act quickly on climate change.

Global Politics

Geo answer

The answer to today's Geo Quiz is the Maldives Islands, Anchor Marco Werman speaks with Charles Ehrhart, co-author of a study that attempts to chart how climate change will directly affect human populations.

Lifestyle & Belief

Quiet greening of West Africa

The Sahel region of West Africa is being hit hard by climate change. But from the country of Burkina Faso, Mark Hertsgaard spotlights a small green miracle that's helping farmers fight the warming trend. The secret, he says, is trees. On PRI's The World.

Global Politics

India's state visit

India's Prime Minister arrives in Washington tomorrow. Manmohan Singh's appearance will constitute the first state visit of the Obama presidency. It comes at a delicate time. We speak with Sumit Ganguly, a professor at Indiana University in Bloomington.