"A study finds strong links between climate change and the spread of southern pine beetles, whose damage increases the risk of ecosystem harm and forest fires."

"When Tony Tooke became regional forester for 13 Southern states in 2015, he made a promise that's shaped his reputation at the Forest Service: He wanted to meet soon with every state forester in the region."

"In the 1980s, an ecologist named Thomas Lovejoy conducted an unusual experiment in Brazil’s Amazon rain forest. As loggers moved in with chain saws to clear trees for cattle pasture north of Manaus, he asked them to leave untouched several small “islands” of forest to see how the animals within them fared."

"Eastern larch beetles, tiny burrowing bugs native to Minnesota, are exploding in number across the state’s northern forest and have killed or damaged about a third of the state’s tamarack trees — one of the first clear signs of a rapidly changing climate."

"ELY, Minn. — It is high season in the Boundary Waters, when legions of canoe-carrying trucks transform this small outpost 20 miles from Canada into one of the nation's primary gateways to wilderness recreation."

"U.S. Interior Secretary Ryan Zinke announced Wednesday he intends to approve a plan to accept the donation of a 3,600-acre ranch that would open the landlocked Sabinoso Wilderness in northeastern New Mexico to the public."

"A genetically engineered, freeze-tolerant eucalyptus tree is moving closer to receiving approval from the U.S. Department of Agriculture, amid concerns about the tree’s possible negative effects on the environment."

"A scientific debate is intensifying over whether too much money and too many lives are lost fighting forest fires."

"They're called 'ghost forests' — dead trees along vast swaths of coastline invaded by rising seas, something scientists call one of the most visible markers of climate change."