In the Spring of 1987, Ray Harm sat on the veranda of his solar-powered ranch house on the edge of arroyo in Browns Canyon -- explaining climate change to me.
Renewable Energy: An Overview - Biomass
The most important issue facing the goal of extensive biomass production in Arizona is the availability of land and water for such purposes. While land availability does not appear to be a problem in this state, water availability is.
More on bioenergy here.