Earth Day 2010
On April 22, 1970, millions of Americans joined to fight the collective fight against a rapidly deteriorating environment, from oil spills and toxic waste dumps to the adverse effects of pesticides, automobile emissions and other byproducts of industry. Forty years later, businesses and citizens have gotten smarter about these things. In the following stories, we hope to show you just how much.
On the 40th anniversary of Earth Day, SmartPlanet brings you a package of stories to reveal how far we've come in four decades -- and where we still need to go.