Grand Canyon and Colorado River by Brian Richter Click the link to read the article on the Sustainable Waters website (Brian Richter):
July 24, 2026 Way back in 2003, Sandra Postel and I published a book entitled “Rivers for Life: Managing Water for People and Nature.” In the book we put forth a concept of “sustainability boundaries” as illustrated below.
The concept is based on the idea that each hydrologic basin supplies a renewable volume o…
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