Our research found these remote Arctic islands are particularly vulnerable to climate change.
Massive landslides can trigger destructive and deadly tsunamis, and climate change could make them worse.
The heatwave highlights the connectedness of our climate systems: from the monsoon tropics to the southernmost continent.
Concentrations of carbon dioxide are now 147% above pre-industrial levels, according to a definitive report by the World Meteorological Organisation released today.
Meltwater lakes forming at the head of glaciers are causing them to shrink faster, which will affect the flow of big rivers that supply millions of people downstream in Asia.