Arborists are hoping to transform vacant land in Detroit by planting giant sequoias, the world’s largest trees. (AP video: ...

Arborists are hoping to transform vacant land on Detroit’s eastside by planting giant sequoias, the world’s largest trees.

In a culture obsessed with competition, it comes as no surprise that even our trees have been put to the test. In honor of Earth Month, celebrated every April, this series documents a handful of ...