On the paper in front of her, the paintbrush kills trees and hauls them away.

Many people don't realize that their adorable pets kill trees.

Until very recently, the disease was present at low levels and did not kill trees.

Look they've stuck a sticker in the back, Cars kill trees.

They have killed several trees by chewing the roots in winter.

Long-term drought is killing trees in the Sahel, according to a new study.

And what sort of idiots would kill trees on a planet with a weakened ecology?

Ranch cattle can kill trees through stomping on the roots.

They kill trees by eating them from the inside.

Outbreak species help to renew the forest by killing older trees.