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Antarctic Sea Ice Near Historic Lows; Arctic Ice Continues Decline
Sea ice at both the top and bottom of the planet continued its decline in 2024. In the waters around Antarctica, ice coverage shrank to near-historic lows for the third year in a row. The recurring loss hints at a…
NASA Analysis Sees Spike in 2023 Global Sea Level Due to El Niño
A long-term sea level dataset shows ocean surface heights continuing to rise at faster and faster rates over decades of observations. Global average sea level rose by about 0.3 inches (0.76 centimeters) from 2022 to 2023, a relatively large jump…
Meet NASA’s Twin Spacecraft Headed to the Ends of the Earth
Launching in spring 2024, the two small satellites of the agency’s PREFIRE mission will fill in missing data from Earth’s polar regions. Two new miniature NASA satellites will start crisscrossing Earth’s atmosphere in a few months, detecting heat lost to…
NASA Study: More Greenland Ice Lost Than Previously Estimated
A new, comprehensive analysis of satellite data finds that majority of glaciers on the landmass have retreated significantly. The Greenland Ice Sheet has shed about one-fifth more ice mass in the past four decades than previously estimated, researchers at NASA’s…
Michael Thorpe Studies Sediment from Source to Sink
Sedimentary and planetary geologist Michael Thorpe finds the stories rocks have to tell, those on Earth and those from Mars.
This US-Indian Satellite Will Monitor Earth’s Changing Frozen Regions
NISAR will study changes to ice sheets, glaciers, and sea ice in fine detail, as climate change warms the air and ocean. NISAR, the soon-to-launch radar satellite from NASA and the Indian Space Research Organisation (ISRO), will measure some key…
As the Arctic Warms, Its Waters Are Emitting Carbon
Runoff from one of North America’s largest rivers is driving intense carbon dioxide emissions in the Arctic Ocean. When it comes to influencing climate change, the world’s smallest ocean punches above its weight. It’s been estimated that the cold waters…
NASA to Showcase Earth Science Data at COP28
NASA will share knowledge and data at the 28th U.N. Climate Change Conference of the Parties (COP28), held at the Expo City in Dubai, United Arab Emirates from Thursday, Nov. 30 to Tuesday, Dec. 12.
NASA Mission Excels at Spotting Greenhouse Gas Emission Sources
Since launching 16 months ago, the EMIT imaging spectrometer aboard the International Space Station has shown an ability to detect more than just surface minerals. More than a year after first detecting methane plumes from its perch aboard the International…
NASA Flights Link Methane Plumes to Tundra Fires in Western Alaska
Methane ‘hot spots’ in the Yukon-Kuskokwim Delta are more likely to be found where recent wildfires burned into the tundra, altering carbon emissions from the land. In Alaska’s largest river delta, tundra that has been scorched by wildfire is emitting…