Alternative energy comprises renewable sources of energy (hydro; biomass; wind; geothermal; solar, which includes [concentrating solar power]; and ocean sources, comprising tidal, wave, marine currents, ocean thermal energy and tapping the salt gradient), nuclear power, and waste. The use of renewable sources of energy can be optimised if advanced energy storage systems are developed and...

Among the sources of non-energy GHG emissions from the advanced economies, agriculture is the largest, followed by waste and industrial processes. Gross nonenergy emissions are estimated to be 15.4% of all GHG emissions from the advanced economies in 2010 writes Ainsley Jolley in Climate Change Working Paper No. 10.