Are you following stay-at-home orders? In some countries, the government will use cell phone data to make sure.
What you need to know about the CDC’s new face mask guidelines and an experimental COVID-19 treatment launching in New York.
Plus Bezos’ billions, a retreat from an oil sands project, and more in this week’s roundup of climate news.
As swarms the size of cities devastate food supplies, both residents and experts in East Africa are looking for solutions to the locust pest problem.