Nomadic herdsmen in East Africa have adapted to shifting patterns of water and forage for thousands of years. Now climate change is forcing them farther afield, and communities are killing each other.

The majority of Republicans running for House and Senate seats disagree with proven scientific facts about global warming. That means that if Republicans take control of one or both chambers this November, there is little hope for legislation to address climate change.

"The signs of climate change were all over the Arctic this year -- warmer air, less sea ice, melting glaciers -- which probably means this weather-making region will not return to its former, colder state, scientists reported on Thursday."

"Global warming will bring on severe and prolonged drought across the United States and many other heavily populated countries within 30 years, finds a new study by the National Center for Atmospheric Research."

For Tea Party activists in Indiana, manmade climate change is a 'flat-out lie.' For them, Rush Limbaugh and the Bible speak with more scientific authority than scientists, scientific organizations, or research institutes. One consequence is that a Democrat who voted for cap-and-trade is endangered.

California voters, evenly split in September on a controversial ballot initiative to suspend the state's global warming law, now oppose it 48% to 37%, according to a new poll.

U.S. District Judge Emmet Sullivan asked the Fish and Wildlife Service to explain why it determined that polar bears are merely threatened under the Endangered Species Act, not endangered. Environmentalists are in court seeking the more protective classification.

"Bangladesh and India are the countries most vulnerable to climate change, according to an index on Wednesday that rates the Nordic region least at risk."