Newsletter Your cloth mask won't protect you from wildfire smoke As smoke fills the air of California, you should probably wear an N95 mask to protect your lungs. Slight problem: There aren’t any N95 masks.
Causes www.nytimes.com Another reason to cut down on plastics This month, millions of people across 177 countries have pledged to cut down on the amount of plastic they use, including by using environmentally conscious face masks.
