The urban farms of today - economist.com/video

BrightFarm Systems is vying to run commercial greenhouses on New York's rooftops. We tour their first projects, on a boat and a school

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  Film & Animation

[thisluke]

Sorry you´re wrong. The interaction between soil and plants is infinately more complex then how you have described it.

[shoopdeedoop]

Hydroponics is not sustainable! Look for Aquaponics as a truly closed loop system.

[teddybruscie]

Not only that, they can use an Anaerobic Digester as well.

[Jesse Gilbride]

There is solution for the problem of limited sun exposure (described at 4:23), similar to what some solar farms do to increase energy input; use mirrors to gather more of the sun's rays, and beam it towards a collection/distribution hub. :)

[undigestedsponge]

i wrote about urban farming when i was in school 5 years ago,as part of an essay about what the world will be like in 2030, my teachers did not know what to make of it haha.

[undigestedsponge]

this is great idea, makes a lot sense to make these buildings

[tazno1]

They should convert it to aquaponics

[TheSlideslide]

biggest chickenleg ever! 1:46!

[puttinaway]

How many investors are in the middle of wyoming? how many eaters are there in the middle of the city?

[theuglykwan]

That may be true but why is it that the tomatoes etc grown in this fashion taste like water?