There are times when the benefit of saving fossil fuels will outweigh the use of an additional sheet of recycled paper, as trees are a renewable resource.
(the benefit of saving fossil fuels; will outweigh; the use of an additional sheet of recycled paper; T:times) (trees; are; a renewable resource)
the benefit of saving fossil fuels trees
will outweigh are
the use of an additional sheet of recycled paper T:times
a renewable resource