Clear evidence shows winter snows, vital for tourism and agriculture, are in rapid decline in So. California.
As Calgary copes with record flooding, studies point to an escalating risk of floods, due in part to climate change.
A "blocking high" helped lead to Greenland's record melt in 2012, raising questions about computer model results.
As Hurricane Sandy showed, sea level rise is increasing the risk of storm-surge flooding at several U.S. airports.
Melting from underneath from warming ocean waters is the biggest factor in Antarctic's ice-shelf shrinkage.
A vast area of Canada is threatened by warming and a rush to exploit precious minerals.
In response to emission limits, China’s richer provinces shift polluting plants to poorer regions.
NYC Mayor Michael Bloomberg launched a far-reaching $19.5 billion climate-resiliency plan.
Waiting for a new global agreement will mean an end to hopes of limiting warming to moderate levels, says the IEA.
New study predicts a big jump in foliage growth in arid regions as carbon dioxide levels increase.
Creature at center of ocean ecosystem faces uncertain future as waters continue to warm.
Reduction in carbon emissions triggered by U.S.'s shift from coal to gas is offset by a big rise in methane.
Researchers say warming likely to rise about 4C if the past decade's readings were taken into account.
New report, interactive explores how beneficial converting U.S. power from coal to natural gas could be.
Temperature-related deaths in New York City could jump by as much as a third by the 2080s, a study found.
The ability of clouds to help cool the Earth appears to have been over-estimated, say researchers.
Drought divides the U.S. into two distinct parts. In the West, a long, hot and dry summer is ahead.
Fish species have shifted their ranges as ocean temperatures increase in response to global warming, study finds.
The U.S. released a new national Arctic strategy, detailing key objectives for how to deal with the rapidly warming region.
Federal agencies are gearing up for what is expected to be a challenging wildfire season in the Western U.S.