Interesting vid about how Singapore is seeking ways to grow local veggies without a lot of farmland in their nation (only 250 acres left). Going vertical with a concern about energy-use and food security issues.
Enjoy, Thom
Thom Illingworth
Greensboro, NC USA
Oh sure, it's a tiny ad, but under the right circumstances, it gets bigger.
A rocket mass heater is the most sustainable way to heat a conventional home
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