Solutions Rethinking urban trees: Canopy not a cure-all for air pollution, asthma They provide shade, cooling streets and reducing energy costs. They absorb storm water, benefit mental health and even reduce crime.
Impacts undark.org As the forest moves back in, pollen is on the rise in Detroit For the first time, researchers are pinpointing where pollen levels are the highest to help residents with allergies and asthma protect themselves.
