Sandra Postel

South African Anti-Fracking Activist Calls for Global Alliance

With no prior experience in grassroots organizing, Deal orchestrated a campaign against fracking in South Africa to protect the Karoo, a semi-desert region of the eastern Cape that he had come to know and love.

As Oil and Gas Drilling Competes for Water, One New Mexico County Says No

 In drought-plagued New Mexico, water is gold. And this week, Mora County in the northern part of the state took a firm stand to protect its precious liquid.

Will We have Enough Water? Adapting to a Warming, Water-Stressed World

Post Carbon Fellow Sandra Postel recently gave a talk on 'Will We have Enough Water? Adapting to a Warming, Water-Stressed World' for the Moos Family Speaker Series on Water Resources.

Drought Fuels Water War Between Texas and New Mexico

As climate change alters rainfall patterns and river flows, tensions are bound to rise between states and countries that share rivers that cross their borders. In the Rio Grande Basin of the American Southwest, that future inevitability has arrived.

Grabbing at solutions: Water for the hungry first

A spontaneous, largely under-the-radar blue revolution is gaining steam in sub-Saharan Africa and has the potential to boost food security and incomes for tens of millions of the region’s poorest inhabitants.

A Historic Binational Agreement Gives New Life to the Colorado River Delta

Today, the United States and Mexico signed a landmark agreement that will return vital flows to the lower Colorado River and its once-bountiful Delta and reconnect the river to its final destination, the Gulf of California.

Our Oversized Groundwater Footprint

We don’t see it, smell it or hear it, but the tragedy unfolding underground is nonetheless real – and it spells big trouble. I’m talking about the depletion of groundwater, the stores of H2O contained in geologic formations called aquifers, which billions of people depend upon to supply their drinking water and grow their food.

Drip irrigation expanding worldwide

As the world population climbs and water stress spreads around the globe, finding ways of getting more crop per drop to meet our food needs is among the most urgent of challenges. One answer to this call is drip irrigation, which delivers water directly to the roots of plants in just the right amounts. It can double or triple water productivity -- boosting crop per drop -- and it appears to be …

Will Modern Phoenix Outlast the Prehistorical Hohokam?

As I explored the ruins of the Hohokam on a recent trip to central Arizona, one question kept popping into my mind: will modern Phoenix thrive as long as the Hohokam did in these desert environs?

Texas Water District acts to slow depletion of the Ogallala Aquifer

A group of farmers in northwest Texas began 2012 under circumstances their forbearers could scarcely imagine: they faced a limit on the amount of groundwater they could pump from their own wells on their own property.