The urban agricultural movement has grown nationwide in recent years, as recession-fueled worries prompted people to raise fruits and vegetables to feed their families and perhaps sell at local farmers’ markets.
Large gardens and small farms — usually 10 acres or less — have cropped up in thriving cities such as Berkeley, where land is tough [...]

Permaculture is big with the collective-living crowd; it’s a model for sustainable living that extrapolates principles from natural ecologies — like how different plants grow together for their mutual benefit — and applies them to other systems like, well, group housing.
via Living Together – The Urban Collective as a Modern Answer to the Commune – [...]