"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
"You never change things by fighting the existing reality. To change something, build a new model that makes the existing model obsolete."
Buckminster Fuller, philosopher, futurist and global thinker (1895 - 1983)
"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."
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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.