Renewable energy comes from matter that nature produces and replenishes constantly. The power generated through this source does not significantly threaten the environment, especially in comparison ...

Lodgepole pine (Pinus contorta) grows in the Rocky Mountains, from Alaska to northern New Mexico, in the Black Hills and on the Pacific Coast. Poles of this tree were used by Native Americans for ...

Over the past decade, Japan and South Korea have increasingly turned to burning wood pellets for energy, leaning on a U.N. loophole that dubs biomass burning as carbon neutral. While Japan recently ...