It can be disruptive or refreshing, and we feel it every single day. But do you ever stop to think what creates wind on our planet?
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Countries still figure out their emissions by adding up all the sources, rather than measuring what’s actually in the air.
Carbon dioxide makes up less than one-twentieth of 1% of Earth’s atmosphere. How does this relatively scarce gas control Earth’s thermostat?
Even a small cloud can weigh as much as four tonnes – but gravity, chemistry and temperature keep them floating in the sky.
New research is spotlighting personal care products, such as shampoos and skin lotions, as a significant source of chemicals that contribute to urban air pollution.
Earth’s ozone layer shields us from harmful ultraviolet radiation. Nations have been working to reduce ozone-depleting chemicals since the 1980s, but recent studies show that there is still work to do.
Intense wildfires in southern California are triggering air quality alerts. Health experts know surprisingly little about how inhaling smoke affects human health, especially over the long term.
Wildfires in California have triggered a public health emergency. One threat is smoke inhalation: Some air readings have registered pollution levels comparable to bad air days in Beijing or Mumbai.
Kontributor teratas
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Associate Professor of Environmental Health Sciences, UMass Amherst
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Professor of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill
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Professor of Atmospheric Sciences, Climate Change Research Centre, UNSW Sydney
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Research scientist, University of Colorado Boulder
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Associate Professor of Atmospheric Composition, University of Leeds
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Reader in Atmospheric Chemistry, University of Bristol
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Professor of Chemistry and Atmospheric Science, Colorado State University
