As he drove through the Sierra Nevada in 2019, Zachary Robbins noticed all the dead trees. Most of them had probably died around 2016 thanks to a combination of California’s drought and its growing ...

Ask fire fighters, foresters and environmentalists to find the culprit for two years' worth of California wildfires and their fingers would unerringly point at a creature smaller than a grain of rice ...

DENVER, Sept. 5 (UPI) --Tiny bark beetles the size of a black bean have killed entire mountainsides of pine trees in the western U.S, but ecologists and forest managers disagree about whether they are ...