You can choose from a wide selection of promotional products made from recycled materials at IASpromotes.com, but there are also earth friendly promo items that function with reusable energy like water power. Consider an alarm clock that runs on water power and a green battery. Take a look at a water powered calculator or other eco-friendly promotional products to have your organization's logo and branding custom printed on for use as promo marketing merchandise.
Products like these make great corporate gifts and tradeshow giveaways for promoting your company name and green ideals. Try these and other environment friendly branding products and ad specialties for use in your next marketing campaign or tradeshow.