Net-Man.....haven't and probably won't have a chance to get into the weeds on this for awhile, but here are some carbon credit calculators... http://www.carboncalcs.com/nz/ccalcs.htm# http://www.reddcarboncredits.co.uk/2012/methodology-calculates-carbon-offset-swamps http://www.cosain.ie/how_are_carbon_credits_calculated.php