by Shannon Brescher Shea - A metal bridge arches over a gently flowing stream in Rockville, Maryland, winding its way between trees and rock-strewn banks. Looking at little closer, it’s clear the water is littered with soda cans, cigarette butts, and plastic bags. But a stream clean-up is underway, with several families picking up trash. Adults wade in the water, picking up … [Read more...]