CO2: 429.35 ppmForecasters predict the return of El Niño weather from as early as May
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
Six weeks since war erupted in the Middle East, the shockwaves have spread to the Caribbean region, already pushed to the brink, amid fears of a looming El Niño-linked climate disaster.
After criticism over increasing costs and delays, the Wallis Annenberg Wildlife Crossing now has a Dec. 2 completion date — a note of optimism for a region reeling from fires and more.
The American Lung Assn.'s 2026 State of the Air report again graded L.A. as having some of the worst air quality in the country. California as a state performed poorly.
California's largest state park expansion in decades would bring the total to 283 parks, far more than any other state.