Whether one prefers to regard the finite nature of fossil fuels as a crisis, problem, or challenge, the impact of the inevitably increasing scarcity of these fuels will be widely felt. The result of this scarcity is already appearing in the form of higher energy prices; their impact on watershed agriculture and possible urbanization has been discussed above. It is the watershed's own energy resources that are of concern in this chapter — their development would have a substantial effect on the system.