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#OptOutside Before It’s Too Late

50-Year Sierra Club Volunteer Leader Ross Vincent Dies at 75

A 17 Million Car Pile-Up

Are Biodiesel Fuels Really an Alternative to Gasoline?

Air Quality in Our National Parks Is the Same as in Big Cities

Judge Dread

Study Shows Air Pollution Makes Genetic Changes in the Brain

Who Else Is Fed Up With Pruitt? Congress.

Public Blasts Proposal for Oil and Gas Leasing Near Colorado National Park

Even Fox News Is Fed Up With EPA Chief Scott Pruitt

10 Industrial Plants Emit 70 Percent of Pittsburgh-Area Air Pollution

Sierra Club and Allies Challenge EPA's Unlawful Delay of Public Health Protections for Smog

2.9 Million Kids Are at Risk From Oil and Gas Operations

What's More Earth-Friendly, a Pellet Stove or a Woodstove?

Trump and Pruitt Cooking the Books with Clean Power Plan Repeal

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