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|  | | Taking Stock of Carbon Dioxide Emissions
A pilot project has used satellite measurements to estimate emissions and removals of carbon dioxide in individual nations. | |
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|  | | Nitrogen Dioxide in the Neighborhood
A team of scientists mapped nitrogen dioxide in California's air at the neighborhood scale and found hotspots of the air pollutant near high-rise buildings and food processing facilities. | |
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|  | | Mayotte's Lagoon
Coral reefs surround the volcanic islands of Mayotte, the eastern-most islands in the Comoros archipelago. | |
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|  | | New York and New Jersey
Shadows from skyscrapers and other city buildings give the photograph a 3D look. | |
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|  | | Landslides in São Paulo, Brazil
After torrential rains, satellite images revealed widespread landslides in the Brazilian state's coastal municipality of São Sebastião. | |
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|  | | A Dazzling Aurora Borealis
Astronauts and sky watchers oohed and aahed as the night sky lit up with pulsating displays of reds, greens, and purples. | |
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|  | | Saving a Forest of One
Overgrazing by deer poses a threat to a giant quaking aspen tree colony in Utah—one of the largest organisms in the world. | |
