Senegal's heavily forested southern region of Casamance will have no tree cover left by 2018 if illegal logging driven by Chinese demand is not addressed, a Senegalese ecologist warned Thursday.
Millions of tiny wasps that are natural parasites for the emerald ash borer have been released into wooded areas in 24 states as the battle against the tree-killing borer is now biological.
It is the last remaining relic of an ancient forest that stretched for millennia across the lowlands of Europe and Russia, a shadowy, mossy woodland where bison and lynx roam beneath towering oak trees up to 600 years old.
During the summer of 2015, survey flights conducted by the United States Forest Service (USFS) showed vast areas of dead and dying trees in the Sierra Nevada foothills and lower-elevation mountain areas of California. Aircraft ...