Global environmental challenges
– Rich Trzupek is a chemist and principal consultant at Mostardi Platt Environmental. He also writes for bigjournalism.com and frontpagemag.com on science, the environment and politics. The views expressed here are his own. –
Wind and solar energy are the best known forms of renewable power, but they don’t wholly define this particular universe.
Biomass combustion, hydroelectric power and geothermal derived energy all fall under the Department of Energy’s official definition of renewable energy.