Thu, Mar

Federal climate science report for U.S. released


U.S. Global Change Research Program’s (USGCRP) Climate Science Special Report (CSSR), which serves as Volume I of the Fourth National Climate Assessment (NCA4), describes current trends in the climate globally and for the U.S., and projects trends in temperature, precipitation, sea-level rise and Arctic sea ice for the remainder of this century.

Findings include:

Global and U.S. temperatures continue to rise

  • The annual average temperature for the globe and the contiguous U.S. has increased 1.8 degrees F from 1901 to 2016.
  • Sixteen of the warmest years on record for the globe occurred in the last 17 years; the last three years were the warmest.  

Variability in temperature and precipitation is increasing

  • Heavy precipitation has increased in intensity and frequency across most parts of the U.S. since 1901, though there are important regional differences.
  • Heatwaves have become more frequent in the U.S. since the 1960s.

Continue reading at NOAA

Image via NOAA