David Hertz harvesting water in Big Sur, California. Skywater 150 produces up to 150 gallons a day, and the water can be stored in water collection tanks for future use. (Photo courtesy Skysource.org)

David Hertz harvesting water in Big Sur, California. Skywater 150 produces up to 150 gallons a day, and the water can be stored in water collection tanks for future use. (Photo courtesy Skysource.org)

David Hertz harvesting water in Big Sur, California. Skywater 150 produces up to 150 gallons a day, and the water can be stored in water collection tanks for future use. (Photo courtesy Skysource.org)