One large tree can provide enough oxygen in one day to support up to four people.

If a birdhouse is hung on a tree branch, it does not move up the tree as the tree grows.

One large tree can lift up to 455 litres of water out of the ground and discharge it into the air in a single day.

A healthy tree can increase your property value by as much as 27 percent while trees with dead branches, hollow cavities and other problems can decrease your property value.

If a birdhouse is hung on a tree branch, it does not move up the tree as the tree grows.