But to do so on a global scale would require turning trillions of tons of greenhouse-gas emissions into a substance that could be stored cheaply and easily underground or in ocean beds.

NEWYORKER: The Climate Fixers

"In the grand scheme -- and on a grand scale -- there are hundreds of tons of weapons, munitions, artillery, explosives that are unaccounted for in Iraq, " the official said.

CNN: Tons of Iraq explosives missing

Typical utility-scale biomass power plants burn 300, 000 to 800, 000 tons of wood a year.

FORBES: Massachusetts Addresses "Biomass Loophole" and Limits Subsidies