A roundup of articles aimed at explaining what is happening, and why.

Scientists quickly pronounced the summer 2021 heat wave that hit western North America to be unprecedented, but they had no long-term physical proof. Now they do.

Several weeks during summer 2021 saw heat records in the western United States and Canada broken not just by increments, but by tens of degrees, an event of unprecedented extremity. To what degree was it climate change, bad luck, or a combination?

Summer melt across Greenland has broken records this year.

Europe’s deadly summer 2022 heat waves caused two dramatic glacier collapses and fueled the melting of a third.

Don’t let the heat, or the size of the climate problem, paralyze you. There are cool solution paths cutting climate risk down the block or around the world.

Hundreds of people have lost their lives in Spain and Portugal due to a heat wave that is moving north and east.

A new study shows that weather systems that normally cool part of the continent are being diverted northward. This is combining with overall warming to produce long-lived heat waves.

Though often underestimated, extreme heat is the leading weather-related killer in the U.S.

There has never been a clearer call to climate action, nor more compelling evidence that climate change is an acute threat multiplier in the poorest, most vulnerable frontline countries in the world.