Learning to preserve the environment while providing for the needs of humans is the goal of Sustainable Development.  Practices that are sustainable look toward solutions that are at or near current levels of efficiency for products that are not sustainable in nature.  The very essence of sustainability speaks to Green and environmentally practices.  Here, we look at some methods of sustainability, some are familiar and some are rather unusual.  All, however, have an eye toward improving life in a carbon neutral and environmentally friendly way.