On Earth Day, we not only celebrate the glorious provisions that the earth provides, but we also celebrate the people and companies that work to improve the environment. While politicians, activists, and non-profit groups may be at the forefront of these environmental efforts, groups of everyday people are doing their part too. For instance, apartment communities across the U.S. are making big, green changes. Check out seven apartment community green efforts that are trending across the country. Is your apartment building joining in?