Why send nutshells to landfill when they can be a valuable resource? Ferrero, the maker of Nutella, is in the process of turning its waste hazelnut shells into packaging for its chocolates. Japanese technology firm NEC is breaking down cashew shells to make heat- and water-resistant bioplastics for use with electronics. Parts of sub-Saharan Africa and India burn peanut and almond shells as biofuel. Australia’s Suncoast Gold Macadamias is using its shells to fuel a waste-to-energy plant. And Turkey is developing plans to burn pistachio shells to heat its first eco-city. Now, that’s nuts. In a good way!