How many lemon trees does it take to make San Francisco self-sustainable? About 12,000.
A group is trying to track the number of trees in The City in a step toward self-sustainability, and all you have to do to help is sign up.
“It’s a cool concept to think The City might be able to provide its own product,” said Doug Wildman, program director for Friends of the Urban Forest. “It’s urban agriculture.” Read More