California’s population of monarch butterflies declined 86 percent in 2018 compared to the previous year, according to the Xerces Society for Invertebrate Conservation, a nonprofit group that conducts an annual survey of the species in the western United States. Overall, the state’s monarch population has declined 97 percent since the 1980s.

Researcher conducts first-ever global-scale evaluation of the role of soil minerals in carbon storage.

Spring snowpack a bigger predictor of lake warming than air temperature.

Researchers have evidence that California’s forests are especially vulnerable to multi-year droughts because their health depends on water stored several feet below ground.

A research team has identified fungicide resistance in California from restoration sites due to exposure to the pesticides in plant nurseries.

Researchers harness 35 years of data to uncover responses of a high-elevation reservoir to a warming world.

Intense effort underway to find culprit behind rapid disease spread.

James Cook University scientists have found that trees change their anatomy in response to prolonged drought.

It takes six months to get really good at accurately gauging the age of yelloweye rockfish.

Though the stark landscape looks barren at first glance, microscopic marine plants flourish beneath the ice that covers the Greenland Sea.