Stunning new data from NASA indicates El Nino drove record high temperatures, suggesting man-made emissions are not to blame for global warming after all. Global average temperatures have fallen more than 1 degree since the middle of this year – coinciding with the end of El Nino – and now some scientists are arguing that the high temperatures of previous years were caused by El Nino, a cyclical natural phenomenon that has nothing to do with greenhouse gas emissions by humans. The stunning new NASA data revealing the huge drop in temperatures suggests they were right. Daily Mail reports: Big El Ninos always have an immense impact on world weather, triggering higher than normal temperatures over huge swathes of the world. The 2015-16 El Nino was probably the strongest since accurate measurements began, with the water up to 3C warmer than usual. It has now been replaced by a La Nina event – when the water in the same Pacific region turns colder than normal. This also has worldwide impacts, driving temperatures down rather than up. The satellite measurements over land respond quickly to El Nino and La Nina. Temperatures over the sea are also falling, but not as fast, because the sea retains [...]
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