"Think of a monarch butterfly, and a distinctive image pops up: black-and-orange wings, with a sprinkling of white spots around the black edges. Those white spots may actually help monarchs complete their long-distance migration by altering the air flow around their wings."

"More than half of North America’s bat species are likely to diminish significantly as climate change, disease and habitat loss take their toll, scientists warned Monday."

"Mexico has found unexpected allies as it tries to limit imports of genetically modified (GM) corn: some U.S. farmers who grow the crops."

"Chronic coastal contamination from the Tijuana River can end up in the atmosphere as “sea spray aerosol” — spreading far beyond the San Diego County beaches where it has long polluted the water, a new study has found."

"One year after the Super Bowl season was marred by a ban on Mexican avocado shipments, another threat has emerged: An environmental complaint that avocado growers are destroying forests that provide critical habitat for monarch butterflies and other creatures."

"The Biden administration on Monday urged a federal judge to reject a state-authored agreement that could end the long-running legal battle over the waters of the Rio Grande, asserting that proposal could bankrupt a major irrigation project."

"A new museum and conservation center dedicated to Mexico's critically endangered axolotl salamander is highlighting the amphibian's remarkable story that has captured the attention of scientists and the public alike."