Environment

As dead trees pile-up, state looks to Europe for biochar lesson

September 6, 2011
As dead trees pile-up, state looks to Europe for biochar lesson Huge clusters of dead lodge pole pines and other trees killed by insects can now be found on over four million acres of land in Colorado. And regional and local forest managers are looking into whether those dead trees can be used to create green energy. Brent Gardner-Smith of Aspen Journalism has more.
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