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NASA satellites and sensors constantly take the pulse of our planet, measuring how Earth changes by the day, season, year, and decade. Researchers and resource managers analyze those measurements and apply them on local and regional scales to better manage things like our food and water supplies, health, safety, land use, and ecosystems. NASA data is also used by other government agencies to help with responses to natural disasters and emergencies around the country and the world.
A Tornado Scars Selma
Published January 19, 2023
Thunderstorms swept across the U.S. Southeast in January 2023, spawning numerous twisters that left lengthy paths of damage.
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Sizing up Mauna Loa’s Lava Flows
Published December 16, 2022
Airborne mapping of the thickness of the lava flows helped scientists calculate that 230 million cubic meters of molten rock poured from the volcano during the two-week eruption.
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Lightning in the U.S. South
Dangerous thunderstorms and destructive tornadoes lashed the U.S. South amid a sprawling winter storm in December 2022.
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Worst Drought on Record Parches Horn of Africa
Published December 13, 2022
The most severe drought in 70 years of record keeping threatens the Horn of Africa with famine.
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Larger Wheat Harvest in Ukraine Than Expected
Published December 2, 2022
A satellite-based analysis indicates that nearly 27 million tons of wheat were harvested from the country’s farms this year, but Ukraine won’t reap all of the benefits.
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Phytoplankton May Be Abundant Under Antarctic Sea Ice
Published November 29, 2022
New evidence shows that a sufficient amount of daylight penetrates the ice to sustain blooms of floating, plant-like organisms.
Arctic Cyclones to Intensify as Climate Warms
Published November 16, 2022
Scientists project that sea ice loss and rapidly warming temperatures will cause storms in the far north to intensify by the end of this century.
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Deforestation Follows a Road Through Ucayali
Published October 25, 2022
A remote oil and logging road first established in eastern Peru in the 1980s has become a hub for forest clearing.
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Drought and Barge Backups on the Mississippi
Published October 21, 2022
Low water levels are making it difficult to ship goods down the river and allowing a wedge of saltwater to move upstream.
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Fuel Regulation Reduced Air Pollution from Shipping
Published October 19, 2022
A global standard limiting sulfur in ship fuel reduced artificial “ship track” clouds to record-low levels in 2020. Pandemic-related disruptions played a secondary role.
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Flood Woes Continue in Pakistan
Published October 13, 2022
Water has begun to recede, but large swaths of farmland remain waterlogged as food shortages loom and waterborne diseases spread.
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Another Lean Season in the Grand Sud
Published October 11, 2022
Persistent drought in southern Madagascar is fueling food shortages in the arid region.
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