In this week’s newsletter: Forecasts suggest a stronger version of the climate phenomenon could supercharge extreme weather events, putting the world on track to again breach a 1.5C average temperature rise.• Don’t get Down to Earth delivered to your inbox? Sign up here

In this week’s newsletter: Forecasts suggest a stronger version of the climate phenomenon could supercharge extreme weather events, putting the world on track to again breach a…

The Pacific heat pulse is temporary, but scientists warn that its climate impacts are not.