Over the long term, air pollution is falling thanks to federal regulations , according to the EPA. But the Trump-appointed EPA head is trying to roll back Obama-era emissions regulations . If you want to breathe cleaner air without hiding from cars, call your congressional representatives to say you want strong anti-pollution regulations. You can also talk to your local government about anti-traffic measures like congestion pricing , more bus routes, and bike exchanges. We can’t rely on the public to abandon their cars in a system that prioritizes cars so much. We all have to do this together.