Each year, Americans spend roughly $30 billion dollars on pesticides, fertilizers, machinery, water, and energy in the name of maintaining thousands of little green blades of Kentucky Blue. Lawns are built into the American lifestyle; many of us have fond memories of pushing our toy lawnmower alongside a parent as they cut the grass every Sunday to keep it from becoming overgrown, or running through the sprinkler in the intense heat of late summer as it waters the crunchy, browning blades.