Latest ‘heat dome’ event over Texas and Louisiana, plus much of Mexico, driven by human-cause climate change, scientists find

Oliver Milmanin New York

@olliemilmanTue 27 Jun 2023 04.30 EDT

• https://www.theguardian.com/environment/2023/jun/27/heatwave-human-caused-climate-crisis-texas-louisiana-mexico

The record heatwave roiling parts of Texas, Louisiana andMexicowas made at least five times more likely due to human-caused climate change, scientists have found, marking the latest in a series of recent extreme “heat dome” events that have scorched various parts of the world.

A stubborn ridge of high pressure has settled over Mexico and a broad swath of the southern USover the past three weeks, pushing the heat index, a combination of temperature and humidity, to above 48C (120F) in some places.

More than 40 million people in the US, including those living in the Texas cities of Houston, San Antonio and Austin, have been placed under excessive heat warnings, raising fears over…