Problems like global warming are so overwhelming that most citizens feel there's nothing they can do to help. That's wrong.
If you want to help, scientists across the country are saying these days, plant a tree. Better yet, work with your city to improve its urban forest.
But here's the hard part. We've all known for years that trees are good for the environment, soaking up air pollutants and greenhouse gases, and a little shade in the middle of what scientists are calling urban heat islands...Full Story