aging
biodiversity
biosphere
climate
conservation
conserving
cut
cut down
cutting
dead
deforestation
destruction
ecology
ecosystem
environment
fallen
felled
felling
firewood
forest
forestry
fuel wood
growth
habitat
hardwood
industry
laying
logging
logs
lumber
management
managing
nature
nobody
old
outdoor
park
pile
plants
preservation
protection
renewable
resources
stack
stacked
stump
timber
trees
trunk
wood
wooden
woodland
woodpile
work