Harvard's T.H. Chan School of Public Health

From heat-related illness to mosquito-borne infections, physicians are seeing the effects of a warming planet in the exam room. There's a growing push to teach doctors-in-training how to respond.

The White House promised widespread COVID-19 testing at CVS, Target, Walgreens and Walmart locations nationwide. But months later, testing is being offered at only a tiny fraction of their stores.