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State of the Climate 2015

Photo Credit: American Meteorological Society

The year 2015 saw the toppling of several symbolic mileposts: notably, it was 1.0°C warmer than preindustrial times, and the Mauna Loa observatory recorded its first annual mean carbon dioxide concentration greater than 400 ppm. Beyond these more recognizable markers, trends seen in recent decades continued.
~ American Meteorological Society, State of the Climate 2015, August 2016.

DOWNLOAD STATE OF THE CLIMATE 2015
The report, compiled by NOAA’s Center for Weather and Climate at the National Centers for Environmental Information is based on contributions from scientists from around the world. It provides a detailed update on global climate indicators, notable weather events, and other data collected by environmental monitoring stations and instruments located on land, water, ice, and in space.