It puts that wood around the trunk, which grows wider, and into the limbs and the branches, which grow thicker. The giant sequoia ... to climb the tree himself. Not to take photos, he explained.

Arborists are transforming vacant lots in Detroit into an urban forest of giant sequoias, aiming to improve air quality and ...

The project will not only replace blight with majestic trees, but could also improve air quality and preserve the trees ...