Areas of populous cities along California's stretch of the Pacific Ocean could be flooded or entirely consumed by water if, due to the effects of climate change, sea levels rise as predicted, modeling suggests.
To better understand COVID-19's spread during the pandemic, public health officials have expanded wastewater surveillance. These efforts track SARS-CoV-2 levels and health risks among most people, but they miss people who live without shelter, a population particularly vulnerable to severe infection.
To fill this information gap, researchers reporting in Environmental Science & Technology Letters tested flood-control waterways near unsheltered encampments, finding similar transmission patterns as in the broader community and identifying previously unseen viral mutations.
With climate change posing rising threats to human health, the Biden administration is drafting federal rules to protect construction crews, warehouse workers, delivery drivers and the rest of America’s workforce from extreme heat. The regulatory effort has been years in the making, and its fate is far from certain. ...
Though it’s a key milestone, it’s just a preliminary step on a long bureaucratic road — one vulnerable to politics because a new rule probably wouldn’t be issued until years after the presidential election in November. If a Republican wins the White House, advocates say, a heat standard that targets businesses will likely fizzle.
The latest calculations from several science agencies showing Earth obliterated global heat records last year may seem scary. But scientists worry that what’s behind those numbers could be even worse.
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