Why is conserving energy resources not a simple problem with a simple solution?

Because the uncontrolled and unreasonable use of energy resources in the past few decades has led to the depletion of conventional type of resources.

Because the uncontrolled and unreasonable use of energy resources in the past few decades has led to the depletion of conventional type of resources. Although, measures are taken at the government levels to control the energy consumption, these attempts only meet with little success. Public awareness is the only way to successfully deal with this problem.