Many concepts have been proposed on how to deal with the problems. The idea of importing seawater from the Pacific Ocean or the Sea of Cortez in Mexico has been around for a long time. The area’s plentiful geothermal power could be used to desalinate the water. Around 2004, Aqua Genesis Ltd proposed such a project that would sell the nonsaline water. Their proposal involved the construction of over of pipes and tunneling that would have provided of water to Southern California coastal cities each year.