Next El Niño could be tipping point for a hotter climate Pacific heat pulse is temporary, but scientists warn that its climate impacts are not. https://arstechnica.com/science/2026/04/next-el-nino-could-be-tipping-point-for-a-hotter-climate/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social