Thursday, September 22, 2011
September 22, 2011: The Power of Urban Forests To Curb Pollution and the Important Role of Volunteers
Some call them soldiers on the environmental frontline, fighting for us, despite us. Who are they? Here's a few clues. A mature one produces as much oxygen in a season as ten people inhale in a year. Together they clean the soil of chemicals by absorbing harmful pollutants or changing the pollutants into less harmful forms. They bind the soil, break the wind, and reduce water run off. Give up? They're trees, of course, and even better when they come together and form a forest. Martha Baskin has our story.