China is cleaning up its sulfur pollution, but the drop in airborne particles is revealing additional warming that concerns scientists.

For Earth Day on April 22, interesting facts including who invented it, why it's on that date, and how it turned into a ...

Ten years ago, there were about 1,200 satellites in orbit around the earth. Now there are about 12,000 and the numbers are growing rapidly. Starlink alone has 9,000 satellites in its communications ...

Air pollution has a "dramatic" impact on the amount of sunlight reaching Earth’s surface, reveals new research. Solar radiative energy declined in large parts of the world from the 1950s to the 1980s ...

Short-term air pollution from the 2023 Canadian wildfire smoke may have raised stroke rates and severity in New Jersey, a new study reports.

First direct evidence shows rocket reentries can release lithium into the upper atmosphere. Measurements by Robin Wing et al. confirm pollution from a Falcon 9 reentry in February 2025.

While visions of improved recreational options for the Blue Earth River may be a silver lining to the Rapidan Dam failure, the significant increase in pollution downstream is troubling at best and ...

Space junk returning to the Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new study has found. Published today in the journal Communications Earth ...

Dear EarthTalk: Can you discuss pollutants in car interior materials, and also pollution inside cars originating from gasoline and diesel exhausts outside the car? — Mervyn Kline, Philadelphia, Pa.

There are better ways to celebrate Earth Day than sitting at your computer. But if you can’t make it out to, say, the Twin Islands Loop near Orchard Beach, you can at least learn more about how what ...