Extreme heat is testing power grids across much of the U.S. on Wednesday, with Washington forecast to top 100F (38C), New York City’s heat index reaching 102F and high temperatures extending into California. PJM Interconnection has a hot weather alert …
Highest-Ever Ocean Temperature Measured as Super El Niño Forms
Scientists have recorded the highest temperature ever measured in the world’s oceans, as climate change combines with a powerful El Niño in the tropical Pacific.