Detroit is the pilot city for the Giant Sequoia Filter Forest. Staff hope the trees will improve air quality and help preserve the sequoia species.

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

The sequoia saplings destined for Detroit ... Kemp’s nonprofit has already planted about 650 trees — comprising around 80 species — in some 40 lots in the area. But he believes the sequoias ...