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This low-cost vertical aquaponic system can grow leafy greens, herbs and raise fish for a small family year round, and it fits in a 5' by 3' space. Sean Brady, the aquaponics projects coordinator at the Center for Sustainable Aquaponics and Nourish the Planet in Loveland, Colo., showed us how to build a system from scrap he found around the greenhouse. We published a version of this how-to guide at engineeringforchange.org, and it's one of the good ones, so we'd like to share it with…

Barrel Project Photo's - 55 gallon plastic drum projects - 55 gallon metal drum projects - bbq grill - Ugly drum smokers - Rain Barrels - Co...

The greenhouses have heated floors, a fact which seemed superfluous today. It was hot in the greenhouses on a sunny 75 degree Spring day. Hot! green houses are going to improve our value of life.

Underground Greenhouses -- For off-grid, year-round veggies, even in sub-zero temps--get to building a "forever green" geo-thermal hoophouse!

Winter Growing: Heating Your Greenhouse

Winter Growing: Heating Greenhouses Winter GreenhouseKeep your winter greenhouse productive with these heating and heat-conserving ideas.

Greenhouse construction with a rocket mas heater, including an excellent demonstration of the rocket mass heater sideways burn. The greenhouse construction class is taught by Ernie and Erica Wisner, featuring the rocket mass heater techniques of Ianto Evans (of cob cottage company fame).