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Shared Socioeconomic Pathways (SSP): SSP1-1.9: very low GHG emissions - COâ‚‚ emissions cut to net zero around 2050. SSP1-2.6: low GHG emissions - COâ‚‚ emissions cut to net zero around 2075. SSP2-4.5: intermediate GHG emissions - COâ‚‚ emissions around current levels until 2050, then falling but not reaching net zero by 2100: SSP3-7.0: high GHG emissions - COâ‚‚ emissions double by 2100. SSP5-8.5: very high GHG emissions - COâ‚‚ emissions triple by 2075.
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Sea level rise projections in the U.S. 2020-2099, by scenario
Sea levels are projected to rise in the United States across various Shared Socioeconomic Pathways (SSP). Under the SSP1-2.6 scenario, it is projected that U.S. sea levels will rise **** centimeters (cm) during the next decades, and cm by the mid-century, relative to historic baseline. Sea levels will continue rising to reach cm by 2099, following the same scenario.
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UNDP. (February 26, 2024). Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
UNDP. "Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters)." Chart. February 26, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
UNDP. (2024). Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
UNDP. "Sea Level Rise Projections in The United States in Time Frames from 2020 to 2099, by Emission Scenario (in Centimeters)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 26 Feb 2024, /statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
UNDP, Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters) ÌÇÐÄÆƽâ°æ, /statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/ (last visited July 27, 2026)
Sea level rise projections in the United States in time frames from 2020 to 2099, by emission scenario (in centimeters) [Graph], UNDP, February 26, 2024. [Online]. Available: /statistics/1453469/sea-level-rise-projection-in-the-us-by-scenario/
