"History teaches us that men and nations behave wisely once they have exhausted all other alternatives"
"If there are to be problems, may they come during my life-time so that I can resolve them and give my children the chance of a good life."
"Then I say the Earth belongs to each generation during its course, fully and in its right no generation can contract debts greater than may be paid during the course of its existence"
Thomas Jefferson, September 6, 1789
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Benchmarking the performance of cities across energy, water and environment systems related metrics presents an opportunity to trigger policy learning, action, and cooperation to bring cities closer to sustainable development.