Solar thermal greenhouse

Eric L

Hadn't seen these farms mentioned here and thought others might find them as interesting as I did.

First: An industrial greenhouse in the Australian desert that uses a solar-thermal system to generate electricity, desalinate seawater for the greenhouse and cool the greenhouse:

Article:

http://www.guardian.co.uk/environment/2012/nov/24/growing-food-in-the-desert-crisis

Video:

[video=youtube_share;46Vzc8flmaQ]http://youtu.be/46Vzc8flmaQ[/video]

Second: a fish and vegetable farm in a completely different environment: the Austrian mountains near Salzburg. Ponds built into hillside terraces, electricity from hydro (video doesn't start until 0:35 for some reason):

[video=youtube_share;Bar82jvGvPE]http://youtu.be/Bar82jvGvPE[/video]