Shrinking glaciers, Arctic temperatures and a mix of messy energy politics await President Barack Obama on his trip to Alaska, where he will become the first sitting president to step foot in the A

President Barack Obama arrived in Alaska on Monday for a three-day tour aimed at spotlighting how its melting permafrost and eroding coastlines show the United States is already being hurt by clima

In this town of 403 residents 83 miles above the Arctic Circle, beaches are disappearing, ice is melting, temperatures are rising, and the barrier reef Kivalina calls home gets smaller and smaller

In this town of 403 residents 83 miles above the Arctic Circle, beaches are disappearing, ice is melting, temperatures are rising, and the barrier reef Kivalina calls home gets smaller and smaller

The extreme loss of Arctic sea ice due to climate change is forcing thousands of walruses to crowd ashore on a remote barrier island off Alaska, and threatening their survival.

MIAMI: Sea levels are rising around the world, and the latest satellite data suggests that three feet (one metre) or more is unavoidable in the next 100-200 years, Nasa scientists said on Wednesday

MIAMI – Sea levels are rising around the world, and the latest satellite data suggest 3 feet (1 meter) or more is unavoidable in the next 100 to 200 years, NASA scientists said Wednesday.

Sea levels worldwide have risen an average of nearly eight centimetres (three inches) since 1992 because of warming waters and melting ice, a panel of Nasa scientists said on Wednesday.

The West Coast may be in danger of sea level rise. Researchers have found that the uplift rates across the Pacific Coast of the U.S.

These "before" and "after" images were acquired by the US space agency's Landsat observer