Fine tree pruning shall consist of the removal of dead, dying, diseased, decayed, interfering, objectionable obstructing, and weak branches, as well as selective thinning to lessen wind resistance.

After cutting down unwanted or unsafe trees, cutting out those unwanted bushes, removing ugly brushes or trimming low hanging branches.  Now you are left with a sizable amount of debris that should be removed and it may be more than your local trash removal company would be willing to take.