Migrant deaths around El Paso, Texas, reached a 25-year high this year, with at least 136 deaths, roughly 100 of which were recorded starting in May as temperatures started to soar. The death toll is at least 87% higher than last year. The area in question spans the U.S.-Mexico border from just east of metropolitan El Paso in Texas across New Mexico’s southern border. Some deaths were caused by people falling off border fences, but most of them are attributed to extreme heat. Ground temperatures as hot as 150 degrees have been recorded this summer amid record-smashing heat waves.