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Chemical companies that made PFAS compounds knew that their products caused health issues but hid that information for years from the public, regulators, and their own employees. A new study by the University of California, San Francisco, shows that the industry took a page from the tobacco playbook to delay public awareness of the toxicity of so-called “forever chemicals,” which break down very slowly in the environment.
Credit: UC, San Francisco (UCSF)
Arizona governor Katie Hobbs announced last week that there won’t be any new housing developments in the Phoenix metro area—one of the fastest growing regions in the country—if they rely solely on groundwater. The announcement received much national attention, as it may portend the effect of the current drought and climate change on projects, particularly housing, in the drying West.
City of Chandler neighborhoods | Credit: Chandlernews
When it comes to mitigating climate change, we know that putting fewer greenhouse gases into the atmosphere is key—especially from transportation. There is some good news to report. In addition to electric vehicle sales growing exponentially, according to the EPA, cars and trucks have gotten more efficient over the years, and clean air emission standards have reduced pollutants, such as particulate matter, carbon monoxide, and VOCs.
Credit: Hamedog/Creative Commons
There are about 400,000 species of beetles in the world, making them among the largest group of animals on the planet. And the vast majority of beetles are weevils—an insect many consider to be a pest for sometimes munching on pasta and grains in our pantries. And, of course, there are boll weevils, which gained notoriety starting in the late 1800s for devastating cotton crops in the American South. In the early 1970s, about one-third of all pesticides applied in the United States targeted boll weevils.
The weevil Anchylorhynchus trapezicollis is the main pollinator of South American palm Syagrus coronata. Here, the weevil is seen on a female flower, touching the receptive parts and leaving pollen grains in the process. | Credit: Bruno de Medeiros
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