Urban Farming - Oliver Duffy and Grace Sylke from Aquaponics USA talks about Survival Food Growing Systems. ** Please enjoy our 1 Month Free Trial - http://bit.ly/1vFN0h5 Aquaponics USA Website: http://www.aquaponicsusa.com/Aquaponics_USA_index.html Aquaponics USA on Twitter: https://twitter.com/AquaponicsUSA Ecotimes.TV Website: http://ecotimes.tv/ Ecotimes.TV on Twitter: https://twitter.com/ECOTIMESTV Ecotimes.TV on facebook: https://www.facebook.com/ecotimes.tv