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Aug. 14 (UPI) -- July was the hottest month on record in 143 years, as Americans felt "the effects of the climate crisis," scientists at NASA's Goddard Institute for Space Studies in New York announced Monday. According to NASA, July 2023 was on average 0.43 degrees Fahrenheit warmer than any other July on record. It was also 2.1 degrees warmer than the average July between 1951 and 1980, according to GISS which defines "normal" temperatures as lasting several decades, typically 30 years. The five hottest Julys since 1880 have all occurred in the past five years, NASA says. "This July...

Ancient drought 'changed history' By Roland Pease BBC science unit, San Francisco The sediments are an archive of past climate conditions Scientists have identified a major climate crisis that struck Africa about 70,000 years ago and which may have changed the course of human history.The evidence comes from sediments drilled up from the beds of Lake Malawi and Tanganyika in East Africa, and from Lake Bosumtwi in Ghana. It shows equatorial Africa experienced a prolonged period of drought. It is possible, scientists say, this was the reason some of the first humans left Africa to populate the globe. Certainly,...