Parks are importantly fertile places to talk about land. Whether its big national parks, provincial campgrounds, isolated conservation areas, destination parks, or humble urban patches of grass, we tend to speak of parks as unqualified goods. People think of parks as public or common land, and it is a common belief that parks are the best uses of land and are good for everyone.But no park is innocent. Parks are lionized as “natural oases,” and urban parks as “pure nature” in the mi...