A recent study led by the Institute of Atmospheric Physics at the Chinese Academy of Sciences sheds new light on how human activities have altered the composition of the atmosphere over time, particularly focusing on secondary ...
Environment
Aug 29, 2024
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33
When waves break on the open ocean, they throw particles called sea spray aerosols into the atmosphere. These particles can be lifted kilometers into the air, where they may affect how clouds form and therefore Earth's radiative ...
Earth Sciences
Aug 27, 2024
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1
A common variety of consumer insecticide sprays is mostly ineffective and of "little to no value" in eliminating cockroach infestations, a study in the Journal of Economic Entomology shows.
Plants & Animals
Aug 14, 2024
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130
Last year marked Earth's warmest year on record. A new study finds that some of 2023's record warmth, nearly 20%, likely came as a result of reduced sulfur emissions from the shipping industry. Much of this warming is concentrated ...
Earth Sciences
Aug 13, 2024
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7
Climate change is one of the most significant environmental challenges of present times, leading to extreme weather events, including droughts, forest fires, and floods. The primary driver of climate change is the release ...
Environment
Aug 8, 2024
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40
Aerosol particles are tiny. Swirling suspended in the air around us, most are smaller than the smallest bug, thinner than the thinnest hair on your head, gossamer specks practically invisible to the naked eye. Newly formed ...
Earth Sciences
Aug 3, 2024
1
61
What happens in the Arctic doesn't stay in the Arctic, and a new NASA mission is helping improve data modeling and increasing our understanding of Earth's rapidly changing climate. Changing ice, ocean, and atmospheric conditions ...
Environment
Jul 29, 2024
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1
Thousands of tiny particles in the atmosphere unseen by the naked eye scatter and absorb solar radiation and become one of the bases for the formation of clouds. A lot of these particles are not directly emitted into the ...
Environment
Jul 24, 2024
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1
The Southern Ocean plays a central role in the global uptake of heat and carbon, which is widely thought to be due to its unique upwelling and circulation. An international research team, led by the University of Liverpool, ...
Earth Sciences
Jul 24, 2024
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3
In a revelation that highlights the fragile balance of our planet's atmosphere, scientists from China, Germany, and the U.S. have uncovered an unexpected link between massive wildfire events and the chemistry of the ozone ...
Earth Sciences
Jul 12, 2024
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353
Technically, an aerosol is a suspension of fine solid particles or liquid droplets in a gas. Examples are smoke, oceanic haze, air pollution, smog and CS gas. In general conversation, aerosol usually refers to an aerosol spray can or the output of such a can. The word aerosol derives from the fact that matter "floating" in air is a suspension (a mixture in which solid or liquid or combined solid-liquid particles are suspended in a fluid). To differentiate suspensions from true solutions, the term sol evolved—originally meant to cover dispersions of tiny (sub-microscopic) particles in a liquid. With studies of dispersions in air, the term aerosol evolved and now embraces both liquid droplets, solid particles, and combinations of these.
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