The Tuni-Condoriri glaciers, which provide water for the cities of El Alto and La Paz in Bolivia, lose 39% of their surface area, compared to 1983 measurements — a shrinkage rate of 0.24 sq km per year.

Massive ice chunks separate from Greenland’s Petermann Glacier and there are significant ice shelf breakups in Antarctica.

European summer begins 10 days earlier than expected. Rates of “one-in-a-thousand” heat days — days in which populations are subjected to potentially lethal temperatures — reaches 500% of pre-industrial levels.