Reducing particle pollution can save thousands of lives, but states need more data to inform better controls. An atmospheric scientist explains what data and actions are needed.
Large parts of Appalachia’s forests, once owned by coal companies, now make money for investors by storing carbon. But the results bring few jobs or sizable investments for residents.
On a small, remote island in the Pacific Ocean, an unlikely predator feasts on the world’s largest albatross colony. Researchers are trying to figure out how to stop these murderous mice.
Hard rock minerals like gold, silver, copper and lithium on public lands belong to the American public, but under a 150-year-old law, the US gives them away for free.
Cotton is one of the world’s largest crops and is harvested with large, heavy machines. Robotic harvesting could yield higher-quality cotton with less damage to plants and soil.
Phosphorus and nitrogen contribute to water pollution and cause harmful algal blooms. New research shows how mats of floating flower beds can take advantage of these nutrients while cleaning the water.
On Feb. 7, 2024, the EPA strengthened the federal limit for annual levels of fine particulate air pollution, or PM2.5. Many serious health effects have been linked to PM2.5 exposure.
The US, a minor liquefied natural gas supplier a decade ago, now is the world’s top source. That’s good for energy security, but bad for Earth’s climate. An energy scholar explains the trade-offs.
Lithium-ion battery fires are becoming increasingly common as electric vehicles spread, and are hard to extinguish. A new approach uses an electrolyte based on a commercial fire extinguisher.
Shannon Gibson, USC Dornsife College of Letters, Arts and Sciences
With international climate talks failing to make progress fast enough, activists are radically rethinking how to be most effective in the streets, political arenas and courtrooms.
Retail stores in Boulder, Colo., banned plastic bags and will charge 10 cents for paper bags in an effort to reduce plastic waste. But do bans and taxes like this really work?
Land subsidence is a factor as preparations are made for rising sea levels and strengthening storms. Human infrastructure, including buildings and groundwater extraction, increases vulnerabilities.