'OK, if I decide to do this, I'm gonna need an unlimited supply of Xena tapes, and Hot Pockets'.

Couple hundred gallons of arsenal will do the job nicely... http://www.cdms.net/LabelsMsds/LMDefault.aspx?pd=70&t=1,2,3,4

Timber companies like rayonier are using the waste from the paper and saw mills to create cellulose and fuel biomass plants.

Robots could kill override the 3 laws by using the Zeroth law which is used to save humanity in the Foundation Series - "A robot may not harm humanity, or, by inaction, allow humanity to come to harm." http://en.wikipedia.org/wiki/Three_Laws_of_Robotics#Zeroth_Law_added

How many trees have you planted? At last count my family has planted almost half a billion....