Nitrogen changes form as it cycles between air, soil, and life. Soils, for example, emit nitrogen either as inert dinitrogen (N2), which dominates our atmosphere, or as nitric oxide (NO) or nitrous oxide (N2O), the greenhouse ...
Earth Sciences
Jan 30, 2023
0
9
Scientists have shed new light on the "self-cleaning" capacity of the atmosphere.
Earth Sciences
Jan 18, 2023
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70
A new study shows that global atmospheric dust—microscopic airborne particles from desert dust storms—has a slight overall cooling effect on the planet that has hidden the full amount of warming caused by greenhouse gases.
Earth Sciences
Jan 17, 2023
2
148
Preliminary analyses of global satellite data by environmental researchers at the University of Bremen show that atmospheric concentrations of the two important greenhouse gases carbon dioxide (CO2) and methane (CH4) continued ...
Earth Sciences
Jan 13, 2023
14
59
The favored refrain of climate deniers and those who oppose climate policies is that "the science is not settled." To some degree, this is true. Climate scientists are still uncertain about a number of phenomena. But it is ...
Environment
Jan 13, 2023
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37
Many people are aware of plastic pollution in the oceans. Photos of turtles or seabirds entangled in plastic garbage first went viral in the 1990s, and the Great Pacific Garbage Patch is now the focus of highly publicized ...
Environment
Jan 10, 2023
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20
Earth's protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says.
Environment
Jan 9, 2023
1
189
Areas of low-oxygen water stretch for thousands of miles through the world's oceans. The largest of these "oxygen minimum zones" (OMZs) is found along the Pacific coast of North and South America, centered off the coast of ...
Environment
Jan 6, 2023
0
13
Global warming has increased the number of extreme weather events around the world by 400% since the 1980s. Countries know how to stop the damage from worsening: stop burning fossil fuels and shift to renewable energy, electrify ...
Environment
Dec 27, 2022
0
55
Cleaning up greenhouse gases after they have been emitted should be incentivized by subsidies. New evidence from an economic analysis considering international markets suggests an important reason why subsidies should be ...
Environment
Dec 20, 2022
1
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