Articles on US Army Corps of Engineers

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A section of Enbridge’s Line 5 runs along the bottom of the Straits of Mackinac in Michigan. Michigan Department of Environment, Great Lakes and Energy via AP

A Great Lakes oil pipeline faces 3 controversies with no speedy resolutions

The disputes raise questions about the region’s economy and environment, as well as national priorities over energy, water, climate and Indigenous rights.
Part of the Line 5 pipeline carrying crude oil from Canada to the U.S. runs underwater in the Straits of Mackinac, between two of the Great Lakes. Michigan Department of Environment, Great Lakes, and Energy via AP

Environmental protection laws still apply even under Trump’s national energy emergency − here’s why

President Trump’s national energy emergency declaration does not qualify as an emergency that would exempt energy projects from environmental laws and regulations.
A barge maneuvers its way down the drought-narrowed Mississippi River at Tiptonville, Tenn., Oct. 20, 2022. AP Photo/Jeff Roberson

Record low water levels on the Mississippi River in 2022 show how climate change is altering large rivers

Record low water levels on the Mississippi and other major rivers, as seen in 2022, could become more common, threatening transportation of many key goods and raising prices.
Wetlands like this one in California’s Morro Bay Estuary shelter fish, animals and plants and help control flooding. Citizen of the Planet/UCG/Universal Images Group via Getty Images

Which wetlands should receive federal protection? The Supreme Court revisits a question it has struggled in the past to answer

The Supreme Court opens its 2022-2023 session with a high-profile case that has major implications for both wildlife and landowners.

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