Ground-level ozone, a common form of air pollution long linked to breathing problems, is being blamed for thousands of premature deaths each year in a new study of 95 urban areas.
In the urban areas studied, when ozone levels rose by 10 parts per billion during a given week, people were about 0.5 percent more likely to die. That would correspond to about 3,800 additional deaths nationally each year.
Thanks to Linda LaSut
FULL STORY: Air pollution's threat proving worse than believed

Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

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