Tag Archives: Chemicals

A former chemical-industry executive who fought against stronger regulations under the first Trump administration is returning to take critical roles at the Environmental Protection Agency, two people with knowledge of the appointment said, raising concerns of corporate influence on chemical safety regulations. Nancy B. Beck, a toxicologist and former executive at the American Chemistry Council, the industry’s main trade group, …

At the height of the Los Angeles County wildfires, atmospheric concentrations of lead, a neurotoxin, reached 100 times average levels even miles from the flames, according to early detailed measurements obtained by The New York Times. Levels of chlorine, which is also toxic at low concentrations, reached 40 times the average. The spiking levels underscore the added danger from wildfires …

For the first time, the Environmental Protection Agency has warned that “forever chemicals” present in sewage sludge that is used as fertilizer can pose human health risks, saying in a study on Tuesday that, in some cases, the risks could exceed the agency’s safety thresholds “sometimes by several orders of magnitude.” The agency maintained, however, that the general food supply …

Water fluoridation is widely seen as one of the great public health achievements of the 20th century, credited with widely reducing tooth decay. But there has been growing controversy among scientists about whether fluoride may be linked to lower I.Q. scores in children. A comprehensive federal analysis of scores of previous studies, published this week in JAMA Pediatrics, has added …

As the world grapples with climate change, population growth and dwindling supplies of fresh water, more people are set to rely on treated wastewater to sustain their daily lives. But wastewater, even after treatment, contains high levels of harmful “forever chemicals” that are already contaminating the drinking water of millions of Americans, researchers said in a study published on Monday …