Chủ Nhật, 25 tháng 2, 2018

NPR News: When Wildfire Smoke Invades, Who Should Pay To Clean Indoor Air?

When Wildfire Smoke Invades, Who Should Pay To Clean Indoor Air?
Public health agencies are set up to regulate air pollution from cars, trucks and factories. Wildfire smoke presents a different set of threats, prompting some of those agencies to rethink priorities.

Read more on NPR
Environment
February 25, 2018 at 08:14PM

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