"You wouldn't think they were going to cut down trees."

"They used to cut down trees to heat their house."

Men from the big paper companies cut down trees deep in the forests.

They cut down trees and shaped the land into a working farm.

You can also be able to cut down trees in order to gain extra wood.

They'll have to cut down that tree and trees around there.

A second site, on the south side of the beach, would have required cutting down several trees.

Some care must therefore be taken before deciding to cut down large trees.

So now I cut down trees every night, when no one is watching.

The rest mostly comes from changes in how land is used, like cutting down trees.