Founded in 1970 by Senator Gaylord Nelson, Earth Day’s 40th Anniversary will be celebrated on April 22, 2010. While your store may not be green through and through, Earth Day is a great holiday to celebrate in-store for several beneficial reasons.

Not only does Earth Day help support environmental programs and renew the public’s commitment to sustainable living, it is also a great way to maximize sales and kick off green marketing program initiatives. Here are five ways to increase add-on sales and promote green marketing in your store(s) as April 22 approaches…