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Giant sequoia trees were threatened last week, as the Washburn Fire in Yosemite National Park burned more than 4,700 acres. Efforts to protect the trees—one of the largest living organisms on Earth and as tall as a 30-story building—were successful after decades of planning by the National Park Service, which included controlled burns to reduce fuel such as dead branches and leaves.
Dairy farms create a lot of waste containing harmful chemicals that contaminate groundwater. But one operation in Washington state is reducing its pollution by using worms—millions of them. The Royal Dairy farm produces more than one million gallons of milk every month and uses half a million gallons of water per day to wash out barns.
“Take two aspirin and call me in the morning” could be advice a doctor gives to a patient—or to a plant stressed by drought or heat.
European green crabs (Carcinas maenas) arrived on U.S. shores about 200 years ago in ballast water of merchant ships, and centuries later, are now considered one of the most invasive species in the marine environment. The green crabs destroy seagrass and outcompete native species for food and habitat. They have few predators, are voracious eaters of native shellfish—and lucky for them—thrive in warming waters brought on by climate change.