A deep orange-brown sun shined through hazy skies as smoke from Canadian wildfires spread across North America and beyond, choking millions of people and triggering severe air quality alerts.
Environment
Jun 30, 2023
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11
This week, Canadian wildfires are producing significant amounts of smoke that is traveling vast distances, hovering over the eastern United States and producing unhealthy levels of air quality for millions of people.
Environment
Jun 12, 2023
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4
A Cornell-led collaboration harnessed chemical reactions to make microscale origami machines self-fold—freeing them from the liquids in which they usually function, so they can operate in dry environments and at room temperature.
Materials Science
May 2, 2023
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167
Achieving the goals of the Paris Climate Agreement will require the combined efforts of states and companies around the world. How can developing countries achieve carbon neutrality and boost their resilience while pursuing ...
Environment
Mar 13, 2023
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11
The 40-meter-high monitoring tower of the Innsbruck Atmospheric Observatory near the city center of Innsbruck in Austria continuously provides data on the composition of the atmosphere near the surface. Every hour, 36,000 ...
Environment
Jan 18, 2023
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31
Sharp falls in transport emissions during COVID-19 lockdowns partly explain why a key greenhouse gas hit record high levels in 2020, research suggests.
Environment
Nov 25, 2022
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5
A Russian-Belorussian research team has developed a new tungsten oxide–based gas sensing material that shows high sensitivity to carbon monoxide, nitrogen dioxide and acetone. The new material's gas sensing response was ...
Nanomaterials
May 27, 2022
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40
New research has identified a lesser-known form of ozone playing a big role in heating the Southern Ocean—one of Earth's main cooling systems.
Environment
Apr 22, 2022
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25
The U.N. weather agency says the world—and especially urban areas—experienced a brief, sharp drop in emissions of air pollutants last year amid lockdown measures and related travel restrictions put in place over the coronavirus ...
Environment
Sep 3, 2021
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25
Your ride might be a modest one—but if it burns gasoline, you have precious metals on board. To reduce pollution at the tailpipe, gasoline cars and trucks today come equipped with catalytic converters that contain platinum-group ...
Materials Science
Aug 19, 2021
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