"Anything that exists is possible" is the mantra of Chris Turner, the author. All the technologies required to transform our economies and consumption habits already exist. An island of several thousand has reduced its fossil fuel footprint to less than zero. And so on into the future. I'll ask again: What can Vancouver do to become a truly sustainable city?
Re: architecture and the environment: "Bring ideological or aesthetic or symbolic principles to bear on design, certainly, but figure out, first, what the weather's like in May wherever you intend to execute it."