Entries by Brett Walton

U.S. Farm Irrigation Becomes More Efficient, Moves East

Federal data show that U.S. farms use less water and are investing in water-saving irrigation equipment. Photo © Brett Walton / Circle of Blue Four varieties of lettuce grow in tight rainbow rows in Salinas, California. According to the Farm and Ranch Irrigation Survey, some 99 percent of U.S. lettuce is irrigated. Click image to […]

U.S.-China Climate Deal Includes Provision on Water-Energy Research

A joint energy research program will be extended and expanded to include water.

Federal Water Tap, November 10: U.S. Supreme Court Steps into Florida-Georgia Water Dispute

The Rundown Florida and Georgia will meet in the U.S. Supreme Court. Georgia files a separate water lawsuit against federal dam managers. The nation’s water withdrawals continue to drop, while Arkansas’s groundwater withdrawals rise. A new water data website tracks river flows in two countries. The U.S. Justice Department levies a Clean Water Act fine. […]

Risk Assessment Tool Puts a Price on Water Scarcity

The Water Risk Monetizer guides corporate investments where water is scarce. Image via Water Risk Monetizer The water-risk assessment tool was developed by Trucost, a consultancy, and Ecolab, a water-technology company. Click image to enlarge. More than ever, business executives are opening their eyes to the threats that inadequate or polluted water supplies pose to […]

Election 2014 Recap: Voters Mostly Say ‘Yes’ to Water Spending

easures passed in California, Florida, and Maine, while North Dakota voted against conservation fund.

Californians Will Vote on Big Water Bond Not Knowing Exactly What They Are Buying

Rules for choosing the most controversial projects will be written later.

Federal Water Tap, November 3: Federal Scientists Study Forest Fires and River Flows

The Rundown Federal agencies submitted their climate change adaptation plans, and federal scientists are attempting to unchain water data. The U.S. Forest Service is starting a three-year study of wildfire and river flows, while the U.S. Environmental Protection Agency is assessing the nation’s drinking water infrastructure. The White House reviews coal ash regulations, and promotes […]

U.S. Government Builds a Home for Water Data

The Open Water Data Initiative wants a common house for real-time U.S. water information. But this could take decades.

Earth’s Major Aquifers Are in Trouble

Groundwater reserves are falling, but little is known about how much water is left.

San Antonio Pipeline Continues Texas Water Rush

America’s seventh-largest city debates a pipeline project worth billions as the second-fastest-growing state faces more demands for water in its third year of severe drought.

Big Data Requires Strong Relationships to Improve Farming

To influence water and food systems, the data revolution needs more than billions of bits. Brett Walton analyzes the lessons from last week’s Water for Food Global Conference. Photo © Craig Chandler / University Communication Rod DeBuhr of the Upper Big Blue Natural Resources District, Nebraska, discusses irrigation water use during a recent dry year. […]

Federal Water Tap, October 27: EPA Watchdog Rejects Senator’s Request to Halt Hydraulic Fracturing Study

Despite a request for termination from Sen. James Inhofe (R-Oklahoma), the U.S. Environmental Protection Agency’s internal watchdog will continue investigating how well state and federal agencies are managing threats to water from hydraulic fracturing, the drilling technique that has catalyzed America’s energy renaissance while raising questions about pollution of groundwater and streams. In a letter, […]