Buildings: Time, Use and Change When we think of buildings, we usually think of their spatial impact. As mentioned earlier, cheap fossil fuels have made possible an irrational and inefficient spatial fragmentation of the built environment. Such wasteful patterns have been aggravated by the more recent channelling of the information revolution into financialization and a speculative Casino Economy, which has extended global production-consumption loops while disguising real social and environmental costs (Milani, 2000). For buildings, this use of space, however, is closely related to their relationship to time and change, and this is intimately connected to their use. As discussed earlier, an ecological economy must be geared to use, use-value, human need and qualitative wealth.