"Four doses of an experimental vaccine to protect against Lyme disease reduced the number of tick-borne infections by more than 70 percent, according to Pfizer and Valneva, the pharmaceutical companies developing the shot." "If approved by regulators, it could become the only Lyme disease vaccine available for people — although it would not be the first."

"A tool thousands of communities at risk for hurricanes use to decide when to evacuate residents is set to expire Friday because the acting Federal Emergency Management Agency administrator has held up its full renewal, according to emails reviewed by The Washington Post, as well as four current and two former officials familiar with the situation."

"A new report on global air pollution shows that the majority of the world’s population breathes unhealthy air, and climate change is making the problem worse."

"The president has approved just 23 percent of blue state requests for disaster aid, compared to 89 percent for red states."

"After smashing March heat records in 14 states and the U.S. as a whole, the gigantic heat dome that’s baked the Southwest is creeping eastward and may end up being one of the most expansive heat waves in American history, meteorologists and weather historians said."

"As bears emerge from their dens in early spring, they’re on the search for food. That can lead them to backyard beehives, birdfeeders, compost piles and even chicken coops."

"Illinois has nearly 1.5 million lead service lines. A new report estimates replacing the unsafe plumbing has the potential to create 90,000 jobs."

"The industrial-grade buoys, already being installed in Brownsville, Texas, are meant to prevent unauthorized crossings. But experts warn the buoys could intensify flooding and change the river’s course."

"The world is in a state of climate emergency, the head of the United Nations declared Sunday, following the release of the latest State of the Global Climate report from the World Meteorological Organization."

"The dangerous heat wave shattering March records all over the U.S. Southwest is more than just another extreme weather blip. It’s the latest next-level weather wildness that is occurring ever more frequently as Earth’s warming builds."