Urban farmers are challenging city halls across the country to rewrite zoning laws that govern residential gardens. http://www.google.com/hostednews/canadianpress/article/ALeqM5ju-zW2Si961Fuhpq_L35aYECLzYA
Actually, upon consideration, the title of this post is a little misleading. The news article is less about "urban gardening" and more about using your garden as something of a business tool. Two very different things!