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Environment & Energy

mopinko

(73,468 posts)

3. pretty cool.

Reply to polly7 (Original post)

Sun May 17, 2015, 09:04 PM

May 2015

now imagine an industrial size one to turn factory farmed pig shit into oil.
or one where the water falls from one pipe to another and you can hear it.
or...

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Highlight:

New Urban Algae Invention Produces As Much Oxygen As A Small Forest [View all] polly7 May 2015 OP

Around 6 soccer fields, for a better size reference. nt F4lconF16 May 2015 #1

Interesting contraption. NaturalHigh May 2015 #2

pretty cool. mopinko May 2015 #3

Since we have already done so much damage to the environment Binkie The Clown May 2015 #4