climate change

Science, Tech & Environment

A Rockefeller uses his oil legacy to help save the oceans

Nearly 140 years ago, John D. Rockefeller Sr. co-founded Standard Oil, which revolutionized the petroleum industry and helped build one of the largest family fortunes in US history. He also helped revolutionize philanthropy, creating, among other funds, the Rockefeller Foundation. Now his great-grandson, David Rockefeller Jr., chairs the foundation and is using its influence and money to help save our seas.

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.

Science, Tech & Environment

Storm expert says climate change may have played a big role in Typhoon Haiyan after all

Atmospheric scientist and tropical storm expert Kerry Emanuel has taken a deeper look at the possible influence of climate change on supertyphoon Haiyan, and has found that global warming may have had a good deal more to do with the storm's intensity than he originally thought.

Global Politics

China in Copenhagen

China has resisted calls for it to agree to binding verifiable targets for reducing emissions. But people in China say their government should be willing to make a commitment in Copenhagen. The World's Mary Kay Magistad reports from Beijing.