European Tribune - Comments - European Salon de News, Discussion et Klatsch

European Salon de News, Discussion et Klatsch - 16 January | 126 comments (126 topical, 0 editorial, 0 hidden)

Re: Living off the Planet - 16 January (4.00 / 3)

How are they measuring efficiency here? Trees convert CO2 into a long term store and fuel, presumably these machines are just filling tanks up with CO2, so are they including the entire storage energy cost or just focusing on the collection part?

by njh on Fri Jan 15th, 2010 at 06:34:06 PM EST
[ Parent ]

Re: Living off the Planet - 16 January (none / 0)

i wonder if there's a way to use it in greenhouses, so it's absorbed by the plants without being able to escape into the atmosphere.

~"When an inner situation is not made conscious, it appears outside as fate." Karl Jung~

by melo (melometa4(at)gmail.com) on Fri Jan 15th, 2010 at 07:19:15 PM EST
[ Parent ]

Re: Living off the Planet - 16 January (none / 1)

It's not unusual to add CO2 to greenhouses, but are we sure that greenhouses themselves aren't CO2 sources? (embodied energy, many are heated and lit in cold places)

by njh on Fri Jan 15th, 2010 at 09:28:16 PM EST
[ Parent ]

Re: Living off the Planet - 16 January (none / 0)

heat them with compost! green houses can save transport mileage for fresh extended seasonal produce.

lotsa carbon saving tucked in there... lighting and irrigation wouldn't be hard to power locally, with some biogas or wind/solar/batteries.

thinking local, thinking small and many, robustness through decentralisation...

~"When an inner situation is not made conscious, it appears outside as fate." Karl Jung~

by melo (melometa4(at)gmail.com) on Sat Jan 16th, 2010 at 07:33:17 AM EST
[ Parent ]

Re: Living off the Planet - 16 January (none / 0)

That is in fact how I heat my greenhouse, but I found I needed more biomass that my greenhouse produced. So it wouldn't scale. There are also issues with mould and botrytis, and I have a very moderate heating climate compared to europe.

I agree in principle anyway.

by njh on Sat Jan 16th, 2010 at 10:14:02 PM EST
[ Parent ]

European Salon de News, Discussion et Klatsch - 16 January | 126 comments (126 topical, 0 editorial, 0 hidden)

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