"The devastating flooding that has submerged large parts of the Midwest and South this spring has also brought barge traffic on many of the regions’ rivers to a near standstill. ... Shipments of grains, fertilizers and construction supplies are stranded."

"The main U.S. refining industry association said on Monday it sued to block the Trump administration’s effort to expand sales of higher ethanol blends of gasoline, arguing the move exceeded the administration’s authority."

"A near record-sized “dead zone” of oxygen-starved water could form in the Gulf of Mexico this summer, threatening its huge stocks of marine life, researchers said."

"The United States is planning to revise its regulations on importing, transporting and releasing genetically modified organisms, it told the World Trade Organization in a filing published on Friday."

"Overuse of antibiotics in livestock has given rise to drug-resistant germs. Drugmakers say they want to be part of the solution. But a recent campaign urged farmers to administer the drugs to healthy animals daily."

"Members of EPA's Science Advisory Board grappled with whether and how to weigh in on the Trump administration's rollback of clean water standards given the administration's insistence that the proposal is a question of policy, not science."

"A federal judge has blocked the grazing permits issued to father and son ranchers who were the focus of a battle about public land."

"Over the past few months, graduate students and researchers at California’s Moss Landing Marine Laboratories have scoured coastal waters, collecting seaweed in the hopes of finding a native species that could help gassy cows."

"In an example of the mismanagement of nature, government hunting programs cleared a path for coyotes to surge east."