By Marco Grajeda
http://stream.publicbroadcasting.net/production/mp3/krwg/local-krwg-826543.mp3
Las Cruces, NM – Having a green lawn and lush trees in dry, southern New Mexico may not make water conservationists cringe in the near future. As KRWG's Marco Grajeda reports, an associate professor at New Mexico State University is working on a filter which would allow residents to use gray water for irrigation.