Water is obviously essential for human survival. Energy, in one form or another, is critical to all life and necessary to the current and future world economy. There are renewable and nonrenewable forms of both water and energy. Energy is or has been the focus of much debate, research, exploration, regulation, and incentives. Similarly, potable water is globally explored for, commonly regulated and monitored, treated/refined, and throughout human history has been the catalyst for and spoils of more than one war.

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