globalchange.govVerified account

@usgcrp

Thirteen Federal agencies advancing the science of and global change. Hard at work on . Official account, U.S. Global Change Research Program.

Washington, DC
globalchange.gov
Joined February 2012
Born on November 16, 1990
1,251 Photos and videos Photos and videos

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  1. Pinned Tweet
    Sep 21

    OPEN CALL: Submit nominations for lead authors and review editors for through 10/24. More info here:

    2 retweets 4 likes
  2. 5 hours ago

    Read the and Assessment to learn about health risks associated with changes in freshwater systems:

  3. 10 hours ago

    How might increase human exposure to ticks? Learn more:

    3 retweets 1 like
  4. Oct 6

    Average temperature in the U.S. has increased by 1.3°F during the last century.

    3 likes
  5. Retweeted
    Oct 6

    Bring the view from space to your desktop or mobile phone with these beautiful images of our majestic planet.

    51 retweets 87 likes
  6. Oct 6

    This long-term record of global temperature is a key indicator of warming in the climate system. Learn more:

    1 reply 8 retweets 9 likes
  7. Oct 5

    Since 2007, croplands and grasslands have released more than they are storing. Learn more:

    1 reply 3 retweets 4 likes
  8. Oct 5

    OPEN CALL: Nominate lead authors and review editors for until 10/24. Learn more here:

    1 retweet 2 likes
  9. Oct 5

    Frost-free season length has increased in the U.S. over the past 30 years, relative to the 1979–2014 average.

    4 retweets 3 likes
  10. Oct 4

    The earlier arrival of the start of spring has been linked to recent warming trends in global climate. More here:

    6 retweets 4 likes
  11. Oct 4

    Global monthly average concentrations of CO2 have risen since the 1980s. See the numbers here:

    1 like
  12. Oct 3

    These changes in sea surface temperatures reflect the overall warming trend in the climate system.

    2 retweets 2 likes
  13. Oct 3

    The minimum sea ice extent in the Arctic has decreased by about 36% since 1979. Learn more:

    3 retweets 2 likes
  14. Oct 2

    The number of heating degree days has ↓ and cooling degree days has ↑ over the past 20 years. Learn why here:

    1 like
  15. Oct 2

    The warming of greenhouse gases in the atmosphere has increased substantially over the last several decades.

    2 likes
  16. Sep 29

    Climate change can affect water quality and quantity for some people in the U.S. Learn here:

    1 retweet 1 like
  17. Sep 29

    How can the small proportion of in the atmosphere have such a large effect on our climate?

    1 retweet 2 likes
  18. Sep 28

    Climate change is linked to increased heat, drought, and insect outbreaks in the Southwest. Learn more:

    2 retweets 4 likes
  19. Sep 28

    ATTENTION EXPERTS: Lead authors and review editors needed for . Learn how to submit your nominations:

    2 retweets 1 like
  20. Sep 28

    Climate is always changing. How is recent change different than in the past?

    1 retweet 2 likes
  21. Sep 27

    The Southeast and Caribbean are exceptionally vulnerable to sea level rise, extreme heat, and hurricanes.

    4 retweets 1 like

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