Tagpollution(78)

Between 1955 and 1970, the United States passed five laws to monitor and regulate the country’s air pollution. Each act built upon the last and, in 1970, Congress passed the Clean Air Act, which established guidelines for “safe” levels of ambient air pollution, some of which are still used today. But a new study suggests those standards

Anna Aldrich, University of California, Irvine The brains of wild type (WT) and Alzheimer’s (APP) mouse models were analyzed after exposure to purified air (Con) and ultrafine particulate matter (PM) for the presence of astrocyte cells. These were visualized by staining them green (left column), with potentially harmful and activated astrocytes appearing in red (middle

April 27, 2023 SACRAMENTO, Calif. — California approved Thursday a first-in-the-nation, ambitious rule limiting rail pollution to aggressively cut greenhouse gas emissions in the state’s latest move to establish itself as a global leader in the fight against climate change. The rule will ban locomotive engines more than 23 years old by 2030 and increase

By  MICHAEL PHILLIS The Associated Press In what could prove a significant move for communities facing air pollution, the Environmental Protection Agency proposed on Thursday that chemical plants nationwide measure certain hazardous compounds that cross beyond their property lines and reduce them when they are too high. The proposed rules would reduce cancer risk and

Masked passengers fill a Southwest Airlines flight from Burbank to Las Vegas on June 3, with middle seats left open. (Christopher Reynolds/Los Angeles Times/TNS) By Kiera Feldman Los Angeles Times The airline industry would be forced to adopt new measures to protect passengers and crew members from toxic fumes on airplanes under a bill introduced

Emitting greenhouse gases in WA? Here’s who will need to pay up to pollute Feb. 26, 2023 at 6:00 am Updated Feb. 26, 2023 at 6:07 am      1 of 10 | The University of Washington burns natural gas to create steam, seen here, that heats the campus. (Daniel Kim / The Seattle Times) By  Isabella