There was a halfway decent (if simplified) segment on Countryfile [0] about the use of PhytoLux LEDs in the UK. They've been working with Bristol Uni to invest

There was a halfway decent (if simplified) segment on Countryfile [0] about the use of PhytoLux LEDs in the UK. They've been working with Bristol Uni to investigate the effect of various colours and wavelengths on plant growth (Something Gigaom, linked, is only just experimenting with); they claim energy efficiency [1] as just one advantage when using vertical farming methods. 0: http://www.bbc.co.uk/iplayer/episode/b06z9ph6/countryfile-north-devon#playt=34m56s http://www.bbc.co.uk/iplayer/episode/b06z9ph6/countryfile-no... 1: http://resources.phytolux.com/images/phytolux/newsletters/PressRelease-TheFutureLookingBright.pdf http://resources.phytolux.com/images/phytolux/newsletters/Pr...