"Saltwater moving up the Mississippi River is threatening drinking water supplies in Plaquemines Parish, triggering a plan by the Army Corps of Engineers to build an underwater levee in the channel."

"In a large proportion of the metropolitan areas along the Atlantic and Gulf coasts of the United States, at least half of the hospitals are at risk of flooding even from relatively weak hurricanes, a new study found."

"Hydrogen is unsuitable for use in home heating, and likely to remain so, despite the hopes of the UK government and plumbing industry, a comprehensive review of scientific papers has concluded."

"Unexplained leaks in two Russian gas pipelines in the Baltic Sea are spewing out greenhouse gas emissions, raising fears that the disruption could cause a climate calamity - although to what extent is still unclear."

"The US Senate has voted to advance a funding bill to avert a federal government shutdown, after a tense standoff over a controversial energy-permitting provision proposed by the West Virginia senator Joe Manchin ended with its withdrawal."

"Senate Republican leaders are urging their GOP colleagues to stay unified against a permitting reform bill sponsored by West Virginia Sen. Joe Manchin (D) and to support instead a competing bill sponsored by his home-state colleague, Sen. Shelley Moore Capito (R-W.Va.)."

"One in 20 tap water tests performed for thousands of Chicago residents found lead, a neurotoxin, at or above US government limits, according to a Guardian analysis of a City of Chicago data trove."

"Senate Energy and Natural Resources Chair Joe Manchin released his long-promised permitting reform plan this evening."