Q: We have a brick planter by our deck that measures 31/2 feet by 4 feet and is 4 feet deep. We previously had a river birch tree in it, but the roots grew under the brick patio and sidewalk, ...

In the back and side yards of St. Louis homes, usually in the city or the inner suburbs, clay planters that look like tree trunks sit there, doing their, um, clay tree trunk planter thing. Greg ...

Two college kids from Canada have built a tree-planting robot that they hope will one day be used to reforest the province of British Columbia, which has in recent decades been ravaged by pine beetles ...