"Garden as if your life depended on it"

I've read this line a number of times recently (but of course I can only find one of the many articles I've noticed). Point being, urban agriculture may play a bigger role in our futures, so doing what we can now, even with our small gardens, is a pretty good step in the right direction. Here's the one article I was able to find.

Garden as if your life depended on it - CounterCurrents, 3/30/11