Can increasing population densities coexist with an increase in the quality of life? What conditions should be satisfied before such increases in density take place? What role will nature, in the widest sense, play in such an increase in density? Is not the issue here new nature, literally and metaphorically? This kind of effort can be the Netherlands' specific contribution to the ecological spectrum of the World Fair in Hannover 2000, which seems to be devoted particularly to a nostalgic glimpse of ecology: a simple critique of technology and the consumer society, of asphalt and machinery. What the Dutch entry shows is precisely a mix of technology and nature, emphasizing nature's make-ability and artificiality: technology and nature need not be mutually exclusive, they can perfectly well reinforce one another.