environmental
agriculture
background
bark
brown
coniferous
cut
deforestation
energy
energy source
fire wood
firewood
forestry
fuel
heat
log
logging
logs
lumber
material
natural
nature
pieces
pile
pine
pines
plant
plants
raw
renewable
renewable fuel
resource
rough
split
stacked
sustainability
sustainable
timber
tree
trees
trunk
wood
woodcutting
wooden
woodpile