"Dairy cows in Nevada have been infected with a new form of bird flu that is distinct from the version that has been spreading through herds over the last year, the U.S. Department of Agriculture announced on Wednesday."

"US regulators are failing to address concerns about toxic PFAS chemicals in foods despite having the scientific tools to do so, according to a lawsuit filed by an environmental group in Tucson, Arizona."

"The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate change take their toll on the beloved pollinator."

"Some oil refineries will probably struggle to replace imported crude oil if President Trump imposes 25 percent tariffs on products from Canada and Mexico."

"A new strain of bird flu — H5N9 — has been detected in California’s Merced County at a commercial duck operation."

"California water officials said this week there’s no truth to President Donald Trump’s assertion that the U.S. military has entered California and “turned on the water.”

"The Trump administration is weighing how to take control of water in California — including setting aside endangered species protections — framing its mission in a new executive order as necessary to prevent future wildfires like those that recently swept across Los Angeles."

"Over the past century, the biodiversity of apple trees has declined sharply in the United States. Monoculture orchards have erased the mature forested orchards that once served as habitat for dozens of bird species such as bluebirds, northern flickers, and scarlet tanagers. There once were some 16,000 named apple varieties in the US alone. We’ve now lost more than half of those varieties, with only 3,000 remaining."

"US environmental regulators are planning to change allowable levels of a weedkiller linked with reproductive health problems to a concentration critics say discounts years of documented health and environmental risks — potentially marking a new battlefront within the Trump administration."