WSJ’s Aylin Woodward explains the dangers, what you can do to protect yourself and when we could see relief. Photo: Justin Lane/Shutterstock When the air quality is bad outside, you should stay ...
We take thousands of breaths every day, yet rarely stop to ask: What’s in the air we’re breathing? The answer, unfortunately, is viruses, allergens, and pollution, invisible threats to our health and ...
A federal appeals court blocks some of the Bush administration's planned revisions to the Clean Air Act. A three-judge panel agrees with 12 states and several major cities that the changes could cause ...
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