Susan Scott Peterson is a climate reporter based in Pittsburgh, Pennsylvania.
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24:46
The Clean Air Act Has Saved Millions Of Lives—But Gaps Remain
The legislation gave the U.S. some of the world’s cleanest air. But with industrial zones and climate change, it’s not protecting everyone.
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17:15
20 Years Later, How Are City Climate Plans Actually Going?
When the federal government wavered in its commitment to climate action, cities stepped up. But goals, and success, are hard to define.