Btwn coffee and palm oil - S.E.A.'s forrests are not going to be a happy habitat forever. I wonder, though, what adding coconut husk to concrete would do, if i

Btwn coffee and palm oil - S.E.A.'s forrests are not going to be a happy habitat forever. I wonder, though, what adding coconut husk to concrete would do, if it were ground up like coffee...