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@NASAClimate

Rocket science isn't enough; we're climate scientists, too. Find us at and . RTs, links & follows are not endorsements.

Pasadena, California, USA
climate.nasa.gov
Joined July 2008
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  1. Pinned Tweet
    Aug 9

    Are you a coastal planner, a policymaker, or concerned about the future of sea level rise? The / Sea Level Projection Tool allows you to visualize and download the projection data from today's IPCC 6th Assessment Report (AR6). Dive in ⬇

    66 replies 185 retweets 291 likes
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  2. Dec 24

    Remember when we went for the Moon & rediscovered Earth? On , we remember when Apollo 8 entered Moon orbit this time in 1968. "The vast loneliness is awe-inspiring and it makes you realize just what you have back there on Earth." —Jim Lovell

    16 retweets 44 likes
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  3. Dec 23

    As we head into Christmastime, many of you might have a Christmas tree in your living room. But do you ever wonder what trees can tell us about climate change? Learn about the clues they give us about our past climate (also known as "paleoclimatology"):

    An illustration of tree rings, showing first-year growth as the center ring; a rainy season as a thick ring; a dry season as a thin ring; a scar from a forest fire; a thick, light-colored ring as spring/early summer growth; and a thin, dark-colored ring as late summer/fall growth.
    13 replies 285 retweets 1,095 likes
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  4. Dec 21

    It's the first day of Northern Hemisphere winter! While it gets colder this time of year, that doesn't mean the planet is cooling overall. Multiple lines of scientific evidence show our global climate is still warming. Details:

    3 replies 20 retweets 41 likes
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  5. Dec 16

    UPDATE: Last month's global average concentration of atmospheric carbon dioxide (CO₂) was about 417 parts per million (ppm), a nearly 49% rise since 1850 due to human activities, like burning fossil fuels.

    8 replies 73 retweets 95 likes
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  6. Dec 15

    Meteorological fall in the northern hemisphere (September through November 2021), in map form

    9 retweets 27 likes
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  7. Dec 15

    November 2021, in map form

    1 reply 9 retweets 22 likes
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  8. Dec 15

    was the fourth hottest meteorological fall (Sept. 1 to Nov. 30) since recordkeeping began in 1880, coming in at 0.95°C (almost 2°F) above the 1951-1980 baseline average. The past 10 autumns have been the hottest:

    A plot showing an upward trend of average meteorological fall (Sept. 1 to Nov. 30) temperatures since 1880
    3 replies 24 retweets 40 likes
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  9. Dec 15

    UPDATE: November 2021 was the fourth hottest November since recordkeeping began in 1880, coming in at 0.94°C (almost 2°F) above the 1951-1980 baseline average. Eleven of the 13 hottest Novembers have occurred since 2009:

    A plot showing an upward trend of average November temperatures since 1880
    4 replies 63 retweets 102 likes
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  10. Dec 14

    Big news! is launching four Earth science missions next year, all aiming to answer more climate questions (think extreme storms, surface water, atmospheric dust, and more). Scientists will provide the details during . Learn more ⬇️

    3 replies 28 retweets 72 likes
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  11. Retweeted
    Dec 14

    Are you attending ? Catch members of the Sea Level Change Team deliver presentations on the latest in sea level science (including a town hall tomorrow, Dec. 15 at 11:15 a.m. CT):

    This view of the Earth's horizon looks across a cloudy Pacific Ocean as the International Space Station orbited 271 miles above off the coast of southern Chile in South America. Credit: NASA
    and
    2 replies 19 retweets 48 likes
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  12. Retweeted
    Dec 13

    NASA is at …virtually! You can join us in our virtual exhibit to learn more about how studies our Sun, our Solar System, and our own home planet.

    Graphic made of a screenshot of a virtual exhibit booth that says "NASA's Virtual Science Exhibit at AGU | December 13-17 | Free and open to the public! | Register at https://go.nasa.gov/NASA_AGU2021"
    3 replies 60 retweets 178 likes
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  13. Dec 9

    Did you miss yesterday's with 's Kimberley Miner and Chip Miller? Get the latest science on thawing permafrost (the frozen soils of the Arctic) and why it matters in our warming world. Watch on Instagram: YouTube:

    1 reply 11 likes
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  14. Dec 9

    A study confirms the Southern Ocean (the continuous body of salt water around Antarctica) absorbs much more carbon from the atmosphere than it releases, making this region an important shield against some of the effects of human-caused global warming:

    Ocean Surface Carbon Dioxide Flow with Surface Winds
    Many factors affect the flow of carbon into and out of Earth’s ocean, including ocean surface winds. This model shows where CO2 is absorbed by the ocean (blue) and released (red).
    3 replies 81 retweets 210 likes
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  15. Retweeted
    Dec 8

    What is SWOT? It’s an int'l satellite designed to help researchers track & locate the world’s surface water. We’re hosting a live chat with a mission engineer on Dec. 9 at 11:30a PT/2:30p ET on Facebook so you can learn more about it. Use to drop your❓

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    14 replies 72 retweets 507 likes
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  16. Dec 8

    Here's the recording for those who missed it:

    1 reply 5 retweets 13 likes
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  17. Dec 8

    LIVE NOW: We're on with Kimberley Miner and Chip Miller to discuss the latest science on thawing Arctic permafrost (ground that's been frozen for at least 2 years).

    2 replies 4 retweets 18 likes
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  18. Dec 7

    Learn more on permafrost, including what it's made of and how climate change affects it:

    6 retweets 19 likes
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  19. Dec 7

    For context, as global warming thaws this frozen ground, there is a greater risk of exposure to ancient microbes, viruses, radioactive material, and more that were hidden away for tens to hundreds of thousands of years. Details:

    2 replies 6 retweets 18 likes
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  20. Dec 7

    TOMORROW at 2 p.m. PT/5 p.m. ET: Join Kimberley Miner & Chip Miller on Instagram Live as they discuss major recent findings related to thawing Arctic permafrost (ground that's been frozen for at least 2 years): Ask your Qs below ⬇️

    and
    2 replies 19 retweets 104 likes
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  21. Dec 2

    In October, and hosted the "Alliances for Climate Action" virtual forum series, with thought leaders from across agencies discussing how we can work together to confront the challenges of a changing climate. Details ⬇️

    4 replies 10 retweets 26 likes
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