Scarcity Economics is a logical reaction to energy crisis that struck a Civilization when natural resources are running out. In order to satisfy the energy needs, a large portion of the power consumed by <l:6,104>cities<e> can be produced in <l:2,41>Solar Plants<e>, which is also beneficial for the environment. As diplomatic tensions over the insufficient resources become more pronounced, a Civilization can enact the <l:3,33>War on Terror<e> which enhances its military potential noticeably.