El Nino: Scientists look beyond climate change and El Nino for other factors that heat up Earth
Scientists are wondering if global warming and El Nino have an accomplice in fueling this summer’s record-shattering heat. The European climate agency Copernicus reported that July was one-third of a degree Celsius (six-tenths of a degree Fahrenheit) hotter than the old record. That’s a bump in heat that is so recent and so big, especially …