You may think I am joking, but Coca-Cola or Dean Kamen might have some ideas for you:<p><a href="http:&#x2F;&#x2F;www.coca-colacompany.com&#x2F;ekocenter&#x2F;ekocenter-empowering-community-well-being-through-social-enterprise" rel="nofollow">http:&#x2F;&#x2F;www.coca-colacompany.com&#x2F;ekocenter&#x2F;ekocenter-empoweri...</a><p><a href="http:&#x2F;&#x2F;www.popsci.com&#x2F;article&#x2F;science&#x2F;pure-genius-how-dean-kamens-invention-could-bring-clean-water-millions" rel="nofollow">http:&#x2F;&#x2F;www.popsci.com&#x2F;article&#x2F;science&#x2F;pure-genius-how-dean-k...</a>