Scientists say the next decade is crucial for slowing climate change. To catch up, Biden's environmental policies will have to move faster than any in history.
The spread of new strains raises new questions as two COVID-19 vaccines continue their rollout across the U.S. and another vaccine candidate preps for regulatory review. Here's what you need to know.
Dozens of protesters gathered at the entrance to one of the nation's largest mass-vaccination sites, leading officials to shut down the entrance for an hour.
Environmental racism means that people of color experience more air and water pollution than white people, and suffer the health impacts. Can Biden change that?