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Smoke, screened

The Clean Air Act's dirty secret: an investigation from The California Newsroom, Muckrock and the Guardian

  • Left: A man walks with a stroller. Right: A bridge under a hazy sky

    As US wildfires pollute the skies, a loophole is obscuring the impact. Can it be fixed?

    Experts agree it’s time to change the Clean Air Act’s exceptional events rule – but offer different solutions.
  • Left: A man stands for a portrait inside. Right: A dead tree in front of an auto factory seen at night

    In Detroit, a ‘magic wand’ makes dirty air look clean – and lets polluters off the hook

    Across the US, local governments, lobbyists and industry have spent millions to get wildfire pollution excluded from the record. People like Robert Shobe pay the price
  • Left: An air quality monitor under a blue sky. Right: A forest fire at night

    What you need to know about the loophole hiding the extent of US wildfire pollution

  • ‘The true conditions on the ground in terms of the air that people are breathing in … is an increasingly unhealthy situation.’

    Revealed: how a little-known pollution rule keeps the air dirty for millions of Americans

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