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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.
Study Traces Ammonia Pollution in Africa
Published November 17, 2021
Scientists used satellites to parse where and how agriculture is changing atmospheric concentrations of the chemical.
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An Extra Air Pollution Burden
Published November 9, 2021
New research shows that neighborhoods in Washington, D.C., with more people of color are exposed to more air pollution and have higher rates of disease.
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Falling For Corn
Published November 4, 2021
More than one third of the world’s maize (corn) crop is grown in the United States, and the largest share comes from a swath of land across the Midwest.
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Scientific Questions Arrive in Ports
Published October 27, 2021
Satellite observations of nitrogen dioxide near key U.S. ports suggest that increased shipping activity and backlogs may be affecting air quality.
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Satellites View California Oil Spill
Published October 8, 2021
Satellite imagers can make oil spills easier to detect in open water.
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Research Shows More People Living in Floodplains
Published September 27, 2021
The proportion of the world’s population exposed to floods grew by 20 to 24 percent—ten times greater than what previous models had predicted.
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Earthquake in Haiti Triggers Landslides
Published August 16, 2021
A break in the clouds offered satellites a view of hillslopes that slid away during the magnitude 7.2 temblor.
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Sizing Up How Agriculture Connects to Deforestation
Published August 11, 2021
Using satellite data from the past two decades, scientists are starting to pinpoint which crops and farming styles have lasting impacts on forests.
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An Upended Ecosystem in the Arabian Sea
Published August 5, 2021
How can snow cover on the Himalayas influence the species that thrive in the ocean a thousand kilometers away?
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Mapping the Spread of Lyme Disease
Published June 25, 2021
Researchers used field observations and remote sensing data to map the spread of the bacteria-carrying ticks in central and eastern Canada.
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Finding Gold Mining Hotspots in Peru
Published June 16, 2021
Researchers have created a satellite-based tool to help officials identify new activity.
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The Large Footprint of Small-Scale Mining in Ghana
Published June 15, 2021
In the past decade, unregulated artisanal mines accounted for more deforestation than industrial mines.
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