Dan Westervelt
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Air Pollution Cuts in East Asia Likely Accelerated Global Warming
A new study finds that some forms of air pollution in the atmosphere have helped shade the Earth’s surface from the sun’s energy.
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Climate School Experts on the Los Angeles Fires: Causes, Impacts and Recovery
As California battles devastating wildfires, our researchers are helping to make sense of how they became so destructive, and what’s needed for recovery.
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Tackling Severe Air Pollution in Africa
An atmospheric scientist has been working to measure and mitigate a longtime health crisis afflicting much of the continent.
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How Wildfire Smoke Can Travel Thousands of Miles, and How to Protect Yourself
Columbia Climate School experts comment on the dangerous air pollution from Canadian wildfires.
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Unraveling the Interconnections Between Air Pollutants and Climate Change
Getting rid of some air pollutants might aggravate global warming. Here’s how.
The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
