The valleys allow more circulation of warmer water underneath the ice sheet, which could accelerate melting.
Mount Tambora eruption of 1815 was the largest volcanic eruption in historical records.
A strong El Niño effect contributed to last year's record-breaking temperatures.
Wasp populations are booming as springs become warmer and drier, a new study finds.
Shamal winds and unprecedented aridity was responsible for enormous storm.
Max Holmes from the Woods Hole Research Centre explains what thawing permafrost means for the environment and people living in these regions
The Climate Change book will be released on 26 January.
The shrimp's alien-like appearance is due to a 'third eye'.
Barack Obama thinks the green energy movement is unstoppable, but sustainability experts are not so sure.
The Secretary of State nominee clashed with a GOP senator as environmental activists were escorted out.
The enormous Cuvette Centrale peatland holds about 30 billion tonnes of carbon.
Cold-loving birds are losing their habitats, but some butterflies are thriving.
El Niño and the Pacific Decadal Oscillation also lead to a build-up of toxins in shellfish.
Barack Obama has a good reputation when it comes to the environment, but he left quite a few loose ends.
Axing of £1bn green tech fund shows government 'disregarded their own promises,' opposition says.
Some beluga whales are delaying their return to more southerly seas for winter for more than a month.
Iceberg 1/4 the size of Wales would result in the Larsen C Ice Shelf losing over 10% of its area.
Traditional ways of life in the Arctic and marine life at risk as the coasts collapse.
The state will fight against Trump's expected immigration, climate change and civil rights policies.
NOAA's scientists weren't cooking the books, the independent data suggests.
Faltering activity of the Atlantic Meridional Overturning Current has been linked to colder winters.
He didn't come into office as a climate crusader, but Obama has made strides in tackling climate change.