California Gov. Arnold Schwarzenegger is touting efforts to reduce greenhouse gases by states and provinces worldwide ahead of the Dec. 6 UN climate change summit in Copenhagen.
Shifting climates and needed upkeep are issues facing America’s treasured spots.
Obama can claim some advances, including a toughened international stance toward Iran. But the president also endured a setback on Middle East peace.
But world leaders couldn’t agree on exit strategy for massive fiscal stimulus. And there was no solid commitment on climate change.
Scientists say the Greenland ice sheet is losing about 7 billion cubic feet of ice a year. Now, they are just finally beginning to uncover some reasons why its been shrinking.
At UN, China's Hu Jintao commits to measurable limits on carbon emissions for the first time. Chinese environmental activists hail the shift toward low-carbon technology.