Voluntary Greenhouse Gas Reduction Programs Have Limited Potential
"The set of voluntary GHG programs we reviewed use outreach efforts to recruit program partners and reduce GHG emissions. We found the greatest barriers to participation were the perceived emission reduction costs and reporting requirements. We also found that it is unlikely these voluntary programs can reduce more than 19 percent of the projected 2010 GHG emissions for their industry sectors. From this, we determined that if EPA wishes to reduce GHG emissions beyond this point, it needs to consider additional policy options..."