What price a PC compared to a farmed forest?
The pulp and paper industry is the fourth largest industrial user of energy, consuming 6.4 EJ in 2005, and a significant emitter of greenhouse gas (source EIA report 2008).
Paper consumption has risen by 400% in the past 40 years. 35% of trees harvested are due to paper manufacture.
6.5+ million trees were cut down to make 16 billion paper cups used by US consumers, only for coffee, in 2006.
Paper waste accounts for up to 40% of total waste in the United States. 71.6 tons per year.
Sources: Wikipedia, WWF, FAO