Last year was warmest ever that didn't feature an El Niño, report finds

State of the climate report found 2017 was the third warmest with a record high sea level and destructive coral bleaching

Last year was the warmest ever recorded on Earth that didn't feature an El Nino, a periodic climatic event that warms the Pacific Ocean, according to the annual state of the climate report by 500 climate scientists from around the world, overseen by the National Oceanic and Atmospheric Administration (Noaa) and released by the American Meteorological Society.

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