As cities get more dense, you have people saying, "Why would you have an urban farm when you could have affordable housing on that property instead?" So there's an argument against it. Another huge thing is there's a brain drain toward growing marijuana. You know, if someone has a green thumb in an urban area, especially in places like Washington or Oregon where it's now totally legal, why wouldn't you just grow pot?

As cities get more dense, you have people saying, "Why would you have an urban farm when you could have affordable housing on that property instead?" So there's an argument against it. Another huge thing is there's a brain drain toward growing marijuana. You know, if someone has a green thumb in an urban area, especially in places like Washington or Oregon where it's now totally legal, why wouldn't you just grow pot?

I think that's part of people wanting a wholesome life, to surround yourself with farm animals and fields. That's sort of an American ideal.

Urban farming appeals to people on the right and the left. People have different reasons for getting into it. Some people are like doomsdayers, they think there's going to be some horrible catastrophe and how will we survive? And then there's people that are more like, "We want to be socialists and have communal chicken coops." It really runs the whole gamut.

There is this really intimate connection that people have with the animals they're going to eat. A lot of people who eat meat say "I would never kill my own animals." Well, that means someone else is doing it for you, ultimately. This is the modern attitude that we have: Somebody else will do that for me. And to me, it just seemed wrong. I wanted to be part of the process of what it meant to eat meat. I wanted to be responsible.

Even if you live in New York City, you can have a little basil plant in your window, and that could be considered urban farming.

I don't think people are like, "I'm going to save the planet by planting my own herbs." But on environmental issues like climate change, there's a sense of hopelessness and despair. Maybe it's really a small gesture but if you can have a garden it may make you feel like you're helping in some way, or that you're making a connection. You can't change the world but you can change your backyard.