Sandra Postel

Preparing for Floods, Droughts and Water Shortages by Working with, Rather than Against, Nature

[This piece is an excerpt from the first chapter of my new book, Replenish: The Virtuous Cycle of Water and Prosperity, released this week by Island Press.] As I wound my way up Poudre Canyon in northern Colorado, the river flowed toward the plains below, glistening in the midday sun. It ran easy and low,…

Read More

Why the US Clean Water Rule Needs to Stay in Place

We have many lessons to learn from the tragedies wrought by Hurricane Harvey, but among the most important is that a broken water cycle increases risks to our communities and economies. Floodplains, tributaries, wetlands, lakes, ponds, rivers and groundwater form an interconnected whole that helps ensure clean, safe, reliable water supplies.  A well-functioning water cycle…

Read More

California Dairies Join Forces with Conservationists and an Irrigation Supplier to Save Water and Reduce Groundwater Pollution

For most of us, dairy products like milk, butter, cheese, and yogurt are an integral part of our daily diets. In fact, US residents consume on average more than 600 pounds of dairy products (expressed on a milk-equivalent basis) per year, according to the US Department of Agriculture. Some 9 million dairy cows meet that…

Read More

Why Kill a Program that Saves Water, Energy, and Money – and that Business Likes?

This week the Alliance for Water Efficiency (AWE), a non-profit organization based in Chicago, Illinois, sent a letter to US EPA Administrator Scott Pruitt that makes an unassailable case for continuing a program called WaterSense. As most of us know, Mr. Pruitt is on a quest to reduce the regulation of air, land, and water,…

Read More

Two Arizona Vineyards Give Back to a River through a Voluntary Water Exchange

In an effort to stem the depletion of groundwater and keep Arizona’s prized Verde River flowing, two vineyards are buying water credits through a new exchange designed to balance the basin’s water use for the good of the river and the local economy. Launched last week by the not-for-profit Friends of Verde River Greenway, the…

Read More

Dam Ideology

When it comes to water, concrete trumps common sense. That was the take-home message Wednesday evening from Daniel P. Beard, former commissioner of the U.S. Bureau of Reclamation, who spoke at Old Town Farm in Albuquerque on his swing through New Mexico to promote his book, Deadbeat Dams. Our political leaders “appear to be ostriches…

Read More

About the Blog

Researchers, conservationists, and others share stories, insights and ideas about Our Changing Planet, Wildlife & Wild Spaces, and The Human Journey. More than 50,000 comments have been added to 10,000 posts. Explore the list alongside to dive deeper into some of the most popular categories of the National Geographic Society’s conversation platform Voices.

Opinions are those of the blogger and/or the blogger’s organization, and not necessarily those of the National Geographic Society. Posters of blogs and comments are required to observe National Geographic’s community rules and other terms of service.

Voices director: David Braun (dbraun@ngs.org)

Social Media