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To Repel Ticks, Try Spraying Your Clothes With A Pesticide That Mimics Mums
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Just in time for summer hikes and outdoor play, a study finds that the ticks that often convey Lyme disease become unable to bite, and soon die, after exposure to clothing treated with permethrin.

(Image credit: Pearl Mak/NPR)

Ireland Expected To Become World's First Country To Divest From Fossil Fuels
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The lower house of parliament OK'd the bill, which is likely to sail through the upper house too. "We are ready to think and act beyond narrow short-term and vested interests," one lawmaker vowed.

(Image credit: Dave Walsh/VW Pics/UIG via Getty Images)

Phoenix Tries To Reverse Its 'Silent Storm' Of Heat Deaths
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By 2100, Phoenix summers could resemble the 114-degree averages found in Kuwait. The city wants to become a model for coping in a warming world.

(Image credit: Matt Mawson/Getty Images)

Fires Across California Force Evacuations, Claim Homes And At Least One Life
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Multiple counties have ordered evacuations as crews work to contain fires across the state.

(Image credit: Josh Edelson/AFP/Getty Images)

Tropical Forests Suffered 2nd-Worst Loss Of Trees On Record Last Year
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In 2017, 39 million acres of tree cover disappeared, an area as big as Bangladesh. "The report is telling a bleak picture," researcher Mikaela Weisse said. "What we are doing right now isn't enough."

(Image credit: Chaideer Mahyuddin/AFP/Getty Images)

Nestlé Offered Permit To Continue Taking Water From California Watershed
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The company's U.S. bottled water unit had been found to be operating under a long-expired permit, taking tens of millions of gallons a year from a watershed in the San Bernardino National Forest.

(Image credit: Damian Dovarganes/AP)

Figure Out How To Cheaply Fix Algae Blooms And Win $10 Million
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Large algae blooms in lakes and rivers have become an annual warm weather headache in nearly every U.S. state, endangering water supplies and local economies. A new competition hopes to help.

(Image credit: Greg Allen/NPR)

Cape Town Averts 'Day Zero' By Limiting Water Use
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Authorities in Cape Town say they've averted a crisis as the threat of Day Zero has been zeroed out by stringent limits on water use as well seasonal rainfall. The city will not run dry this year or next.

(Image credit: Claire Harbage/NPR)

Microbial Magic Could Help Slash Your Dinner's Carbon Footprint
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In one year, fertilizer production in the U.S. emitted as much carbon dioxide as two million cars. What if we could help plants make their own nitrogen so they wouldn't need man-made chemicals?

(Image credit: Sam Scharffenberger)

Get To Know Andrew Wheeler, Ex-Coal Lobbyist With Inside Track To Lead EPA
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The agency's next acting chief has drawn praise as a capable administrator. But critics still say the transition from Scott Pruitt is a bit like "going from a train wreck to a house on fire."

(Image credit: Courtesy Eric Vance/USEPA/Reuters)