1.
We degrade shared resources for our own self interest more than we degrade private land
2.
When the urban area expands outward into the rural surrondings
3.
land degradation severe enough that land becomes desert
4.
removal of trees to clear space for agriculture, urbanization or for timber
5.
taking only a few trees from each area at a time, leaves a range of ages and most trees intact
6.
planting trees and crops together
7.
beneficial for the forest
8.
large shafts dug deep into the ground
9.
a blend of surface and subterranen mining
10.
The process of restoring the land to a natural state after mining is done
