Global heat stuck on high. Scientists say August was Earth's hottest month they've measured.

WASHINGTON (AP) — Earth cooked to its hottest month on record in August, blowing far past a key climate threshold, due to the dangerous double whammy of human-caused climate change and a supersized El Nino, according to the European climate service Copernicus. August’s sizzle also helped push the globe and the United States to swelter […]