Troposphere
News & Articles
![Heavy human-caused pollution can suppress the growth of rain-producing clouds](https://science.nasa.gov/wp-content/uploads/2023/12/main_image-22.jpg?w=4096&format=jpeg)
NASA study untangles smoke, pollution effects on clouds
4 min read
Smoke and human-caused pollution have different effects on the clouds that produce much of Earth's rainfall, a new study finds.
Article6 years ago
![slide 1 - Looking through smog in downtown Atlanta from midtown.](https://science.nasa.gov/wp-content/uploads/2023/12/earth20170807-16-640x350-2.jpg?w=4096&format=jpeg)
Can poor air quality mask global warming’s effects?
5 min read
In the 1900s, the U.S. warmed everywhere except the Southeast, where warming didn't begin till the 1990s. A study finds…
Article7 years ago
![](https://science.nasa.gov/wp-content/uploads/2023/12/georgia.a2017126.1836.375m_0.jpg?w=4096&format=jpeg)
Smoke from wildfires can have lasting climate impact
4 min read
New research using data from NASA's airborne science campaigns shows how wildfire smoke could impact the atmosphere and climate much…
Article7 years ago
![The Hadley cells describe how air moves through the tropics on either side of the equator. They are two of six major air circulation cells on Earth. Credit: NASA.](https://science.nasa.gov/wp-content/uploads/2023/12/cell_image_1920_labeled768.jpg?w=4096&format=jpeg)
Expanding tropics are pushing high altitude clouds towards poles
4 min read
Clouds, which can help cool the Earth's surface, are being pushed toward the poles primarily by heated air from expanding…
Article8 years ago
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