02 May '11, 2pm

Rooftop Urban Farm Brings Fresh Local Produce To Montreal All Year Round

Rooftop Urban Farm Brings Fresh Local Produce To Montreal All Year Round

We use a lot less natural gas than equivalent facilities operating in the winter. And we offset the gas we do use by not requiring our produce to be refrigerated and transported around the world to reach our consumer. The not-so-simple answer. First, the heating demands of a greenhouse occur almost exclusively during the night. Night time temperatures in cities tend to be much higher than in the country due to the thermal mass of city buildings and roads and the heating of city homes and offices. Second, we employ energy "curtains". These semi-transparent curtains, deployed in cold evenings help plants retain their heat resulting in a significant reduction in the energy needed to heat the greenhouse. Third, by selling directly to the city consumer and delivering to group drop-off points in the city, we drastically reduce the energy needed to conventionally package, ship, r...

Full article: http://www.treehugger.com/files/2011/05/rooftop-urban-far...

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Fresh and Local Spring Recipes #yum #local

Fresh and Local Spring Recipes #yum #local

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