A.T.F. Braces for a Likely Rollback of Its Gun-Control Efforts
President-elect Trump is almost certain to choose a gun-rights advocate as director of the Bureau of Alcohol, Tobacco, Firearms and Explosives.
The Trump administration on Monday finalized its weakening of an Obama-era rule aimed at reducing polluted wastewater from coal-burning power plants that has contaminated streams, lakes and underground aquifers.https://to.pbs.org/3gTySOR
PBS.ORG
Trump administration finalizes coal plant pollution rollback
The changes finalized Monday will allow utilities to use cheaper wast
aquifer
含水層[1](英語:aquifer),也作蓄水層[2],是指地底一層含有水分的滲透岩、岩石碎隙或未固結的材料(礫石、沙、淤泥)。人們可通過打鑽水井來從含水層提取地下水。研究含水層的水流、含水層特徵的學科被稱為水文地質學。
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