Posts in tag
sedentary behavior
The Delhi Air Crisis: What It Means for the World
Automotive and industrial emissions fill the air with nitrogen, sulphur dioxides, and “black carbon,” the latter of which includes tiny particles that penetrate deep into the lungs. Over the past days, levels in Delhi have exceeded 10 times what the U.S. Environmental Protection Agency deems safe. (The idea that any level is “safe” is disputed, …