[a] A single tree can produce about 80,500 sheets
of paper according to How Much Information? 2003
filed by University of California at Berkeley,
http://www2.sims.berkeley.edu/research/projects/how-much-info-2003/print.htm.
[b] Office paper produces 0.53 metric tons of
carbon equivalent (MTCE) per ton of paper, according
to the USA EPA report Greenhouse Gas Emissions
From Management of Selected Materials in Municipal
Solid Waste, 1998, p26, here.
This amount is equal to 1.9 metric tons of CO2.
The Environmental Energy Technologies Division
of the U.S. Department of Energy indicate that
there are about 220,000 paper sheets in a ton:
http://eetd.lbl.gov/paper/ideas/html/copyfactsM.htm.
[c] According to the Environmental Energy Technologies
Division of the U.S. Department of Energy, the
manufacturing cost of virgin office paper is 17
Watt hours:
http://eetd.lbl.gov/paper/ideas/html/issues.htm.
[d] According to the Environmental Energy Technologies
Division of the U.S. Department of Energy, the
manufacturing cost of 100% recycled office paper
is 12 Watt hours: http://eetd.lbl.gov/paper/ideas/html/issues.htm.
|