Jenna Ladd| August 24, 2017
2016’s position as the hottest year on record has been widely reported, but many other important, albeit terrifying, climate change milestones were achieved last year according to the State of the Climate Report published in the American Meteorological Society Bulletin.
The report, which is spearheaded by top editors from the National Oceanic and Atmospheric Administration (NOAA) National Centers for Environmental Information, has been described as a comprehensive annual physical for the planet. This year’s check up brought some bad news.
To begin, levels of carbon dioxide in the atmosphere reached a record high. The increase from 2015 to 2016 of 3.5 ± 0.1 parts per million was the largest jump in one year on modern record.
Drought was also widespread in 2016. During every month of the year, at least twelve percent of the global area was experiencing drought conditions. More than half of the land south of equator experienced drought conditions during some part of 2016.
2016 was the sixth year in a row when global sea levels were higher than the year before. In fact, global sea levels were 3.5 inches higher last year than they were in 1993. This sea level rise is attributed to alpine glacial melt; 2016 marked the 37th year in a row during which alpine glaciers retreated worldwide.
So far, 2017 is on track to bring more of the same, despite the absence of El Niño event.