Articles by Senior Staff Writer Matt Simon
Matt Simon is a senior writer at Grist, covering climate solutions. Prior to that, he spent over a decade at Wired magazine. He’s the author of three books, most recently A Poison Like No Other: How Microplastics Corrupted Our Planet and Our Bodies.
All Articles
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The science behind the heat dome — ‘a mosh pit’ of molecules
A mass of dangerous heat and humidity is spreading across the US. What exactly is it?
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How reducing the US military budget would also reduce emissions
New research shows that even with modest reductions in military funding, the United States would keep a whole lot of carbon out of the atmosphere.
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![Search and recovery workers dig through debris looking for any survivors or remains of people swept up in the flash flooding at Camp Mystic on July 6, 2025 in Hunt, Texas.]()
![Search and recovery workers dig through debris looking for any survivors or remains of people swept up in the flash flooding at Camp Mystic on July 6, 2025 in Hunt, Texas.]()
The science behind Texas’ catastrophic floods
At least 95 people died in the flash floods. The disaster has the fingerprints of climate change all over it.
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Atlanta is embracing a cheap, effective way to beat urban heat: ‘cool roofs’
White or reflective roofs significantly reduce temperatures. Atlanta is the latest city to mandate their adoption.
