State of the Climate in 2017 report released by NOAA

The National Oceanic and Atmospheric Administration (NOAA) National Centers for Environmental Information recently released their annual climate assessment. This report, State of the Climate in 2017, is based off contributions from over 500 scientists from over 60 countries around the world. 

Notable findings:

  • 2017 was one of the three warmest years on record since the mid-1800s
  • Maximum sea ice extent in the Arctic was record low
  • Arctic annual mean surface air temperature was the second highest since 1900, with 2016 being the highest
  • Major greenhouse gasses measured at highest levels on record, with records reaching back as far as 800,000 years
  • Global and sea surface temperatures near-record high
  • Global sea level highest on record since 1993, with annual levels rising 22 out of the last 24 years

To view additional helpful infographics and maps, see