Sweating for cool breeze.

SAN JUAN, Puerto Rico (AP) — Public school teacher Ángel Muñiz grabbed a thermometer and thrust it into the camera as someone recorded him inside his classroom this week.

“It is about 99 degrees (37 C),” he said in a video posted on social media as seven fans whirred noisily around him.

It wasn’t even noon yet, and an advisory that day warned of a heat index of up to 111 F (43.8 C).

In the dance of heat, Puerto Rico's schools yearn for the cool embrace of progress—where every child's journey is a breeze, not a sweat.Anonymous

Students and teachers are sweltering in public schools across Puerto Rico that lack air conditioning and are demanding government action as the U.S. Caribbean territory struggles to respond to climate change effects while it bakes under record heat this year.