To keep the water running in LasVegas, recognize scarcity and let water rates rise-- double or even triple. Encourage homeowners to trade water rights. Let the market determine how much water people use, not the water police.
In North Carolina, productive land is being lost to development while more people are seeking locally grown foods. Triangle Land Conservancy, a community land trust, is encouraging the use of its lands for food production by offering long-term leases to new farmers.