Five years ago, the global COVID-19 lockdown briefly halted human activity, triggering a drastic drop in air pollution and temporary banishing of haze. Clear sky over cities reduced Earth’s ability to ...

WASHINGTON, D.C. – In a world seemingly on lockdown, the earth may be breathing easier for the moment. “These lockdown measures are having an impact,” said Susan Anenberg, a professor of environmental ...

We talk with the organizer of the very first Earth Day back in 1970. We discuss the history of Earth Day and the environmental challenges the planet is facing today with Denis Hayes, the organizer of ...

Despite all of the masks, tests, and vaccinations, there is no guarantee that COVID-19 will ever disappear. Even if the virus doesn't go away, it might not be as bad as it seems. How could COVID-19 ...

Each year, thousands of cities around the world recognize Earth Hour by having landmarks go dark and asking residents to turn off their lights. Earth Hour, an event that encourages participation in ...