Hydro is produces little C02 but causes other problems. http://www.epa.gov/cleanenergy/energy-and-you/affect/hydro.html http://www.epa.gov/cleanenergy/energy-a

Hydro is produces little C02 but causes other problems. http://www.epa.gov/cleanenergy/energy-and-you/affect/hydro.html http://www.epa.gov/cleanenergy/energy-and-you/affect/hydro.h...