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In Numbers

A data-driven portrait of America’s energy, climate, and environment

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To celebrate the 50th anniversary of Earth Day, USAFacts analyzed metrics from government agencies responsible for measuring the nation’s air, land conservation, and energy production. This data snapshot touches on environmental numbers from 2019 back to 1895. These are historical metrics for perspective—whether they mark positive, negative, or neutral changes for land, energy, and air in the US is up to you.

Published April 15th, 2020

Air Quality

How has air quality changed across the United States since 1980?

Sources & Footnotes