Air Pollution Carbon Dioxide Earth Day Nitrogen Oxides 
Union of Concerned Scientists
DECEMBER 12, 2023
I distinctly remember the rotten egg smell of sulfur dioxide hanging over the Flats whenever we went downtown. Today, our air and water are significantly cleaner than they were 50 years ago thanks to the Clean Air Act, the Clean Water Act, and other environmental safeguards Congress passed back then.
Union of Concerned Scientists
APRIL 11, 2024
Certainly, gas stoves are just one source of air pollution in the District. That would of course include fossil gas, which consists of 85 to 90 percent methane, a significantly more potent heat-trapping gas than carbon dioxide. Meanwhile, a 2023 study in Environmental Research Letters concluded that as little as 0.2
PA Environment Daily
APRIL 28, 2024
in Somerset County -- WHYY: My Climate Story: Philly Students Take Science From Abstract To Personal -- Reading Eagle: Berks Nature Nonprofit Has Evolved Over Its 50-Year History -- MCall: C.F.
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