Creating wood-free paper does not require cutting down trees.
Rainforests are destroyed by logging and all of the trees are cut down.
Logging  down trees destroys rainforests.
What destroys rainforests?
Options:
(a) Rain.
(b) Wind
(c) Forestry Services.
(d) erosion
(e) vehicles
(f) Conifer logging.
(g) Logging.
(h) Pollution