urban wilderness?

Really?

...a new wilderness is developing. Cities are rapidly growing, becoming more complex, and rather than locking ourselves up in our protective boxes, what if we found a new way to to test ourselves in the throws [sic] of the urban wilderness? Rather than becoming intimately involved with nature, listening and understanding the landscape, we rediscover urbanity in a completely new way.

Here and here for more on this "fascinating design response to the development of the urban wilderness."