These Are the Greenest States in the U.S. © (Getty Images) Two cyclists descending mountain
Air quality has improved nationally since the 1980s, according to U.S. Environmental Protection Agency data. But despite progress, the EPA says approximately 82 million people in 2019 lived in U.S. counties where the air quality was beyond healthy levels, or National Ambient Air Quality Standards, as dictated by the EPA and mandated by the Clean Air Act.
In the U.S, some states feature better air and water quality than others, and some have policies to support green initiatives and exhibit other eco-friendly behaviors such as alternative energy sources and recycling policies. Hawaii ranks No. 1 for its natural environment, according to the 2021 U.S. News Best States rankings, which considers metrics such as air and water quality and pollution levels.
These Are the Greenest States in the U S
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Hot gases, heated seawater and wonky figures point to e
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