To better predict sea level rise, Rebecca Jackson wants to describe exactly what happens where liquid ocean meets the icy underside of glaciers. But how do you study a glacier that could calve a dangerous iceberg at any moment?
Despite a few cold spots, it was the the second-warmest year on record Arctic wide. Since 2000, Arctic temperatures have been more than twice as far above average as the planet as a whole.
Like the months before it, April 2020 was also the second warmest on record for the globe, which means 2020 is almost certain to be among the four warmest years on record.
Climate models project dangerous combinations of heat and humidity by the end of the 21st century. New research says these extremes are already happening.
