Greenhouse-gas emissions worldwide must be cut to avoid a disappearance of summer sea ice in the Arctic, which is crucial to the polar bear.
At a conference that included the US, Canada, Denmark, and Norway, Russian Prime Minister Vladimir Putin said the area should be a 'zone of peace.' But Russia is bolstering its claim to a large tract of the Arctic seabed.
Worldwide, the first five months of 2010 were the warmest on record. With the US now getting its share of a heat wave, how will it affect the public perception of climate change?
Glaciers now occupy the center stage in the debate over causes and impacts of climate change.
At Copenhagen climate change talks, a research group says this decade is likely to prove the hottest on record.
Researchers found that two of the Tetons' biggest glaciers have lost more than 20 percent of their surface area since the late 1960s.
Competition for resources, ‘climate migrants,’ failed states are among top concerns.