A pump jack at work in 2016, near Firestone, Colo. The American Exploration & Production Council, which represents oil and gas exploration firms, is one of many industry groups supporting the HONEST Act, which was passed by the House and is now with the Senate. David Zalubowski/AP hide caption

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David Zalubowski/AP

GOP Effort To Make Environmental Science 'Transparent' Worries Scientists

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The village of Hoosick Falls, N.Y., sits along the Hoosick River in eastern New York. Elevated levels of a suspected carcinogen known as PFOA were found in the village's well water, which is now filtered. Hansi Lo Wang/NPR hide caption

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Hansi Lo Wang/NPR

Elevated Levels Of Suspected Carcinogen Found In States' Drinking Water

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An oil field truck is used to make a transfer at oil-storage tanks in Williston, N.D., in 2014. It was atop tanks like these that oil worker Dustin Bergsing, 21, was found dead. Eric Gay/AP hide caption

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Eric Gay/AP

Mysterious Death Reveals Risk In Federal Oil Field Rules

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A worker in Claysville, Pa., shovels the fine powder that's part of a watery mixture used in hydraulic fracturing. Silica dust is created in a wide variety of construction and manufacturing industries, too. Keith Srakocic/AP hide caption

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Keith Srakocic/AP

Tighter, Controversial Silica Rules Aimed At Saving Workers' Lungs

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December brought storm clouds to the Porter Ranch neighborhood in Southern California's San Fernando Valley. David McNew/AFP/Getty Images hide caption

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David McNew/AFP/Getty Images

Families Near The Huge Gas Leak Wonder: Is Home A Safe Place To Be?

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A production facility that created lead paint and other lead products once stood at Almond and Cumberland Streets, across Aramingo Avenue in Philadelphia. Kimberly Paynter/WHYY hide caption

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Kimberly Paynter/WHYY

Calls Continue For EPA To Clean Up Former Lead Production Site In Philly

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Eastman Chemical went a step beyond calling Tritan plastic BPA-free, setting off a legal challenge. Eastman hide caption

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Eastman

Beyond BPA: Court Battle Reveals A Shift In Debate Over Plastic Safety

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Maria Texeira-Gomes holds a photo of her 5-year-old son, Matheo, who has struggled with asthma nearly all his life. Richard Knox/NPR hide caption

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Richard Knox/NPR

To Control Asthma, Start With The Home Instead Of The Child

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Surplus and expired drugs collected during the DEA's fourth National Prescription Drug Take-Back Day. New research suggests it might be better for the environment to dispose of drugs in household trash. Keith Srakocic/AP hide caption

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Keith Srakocic/AP