Entries by Brett Walton

Federal Water Tap, July 23: Alaska Submits Study Plan for Large Dam

The Susitna-Watana Hydroelectric Project envisions a dam 700 feet tall capable of producing 600 megawatts from a 39-mile-long reservoir on the Susitna River in south-central Alaska. It would generate half the electricity currently produced in the state’s most populous region, and it would be the largest dam built in the United States since the late […]

The Birth of a Drought Report: Behind the Scenes with the People Who Produce the U.S. Drought Monitor

Drought blankets much of the United States. Each week, hundreds of scientists interpret how bad it really is. Image courtesy US Drought Monitor Since 1999, the U.S. Drought Monitor has provided a weekly snapshot of dry conditions, using a numerical rating system like those for tornadoes and hurricanes. Ten authors from federal and academic research […]

This Is What Extreme Drought Looks Like, On a Graph

The Arkansas River in western Kansas is flowing at less than 1 percent of normal. Just after it crosses the Colorado border into western Kansas, the Arkansas River is barely flowing, as this streamflow graph from the U.S. Geological Survey shows. The Arkansas River barely deserves the name right now. As this graph from the […]

Federal Water Tap, July 16: Climate Change and U.S. Agriculture

Climate change will have the greatest economic effect on crops in the Midwest’s Corn Belt states, where annual loses could range from US$1.1 billion to US$4.1 billion by 2030. The U.S. Department of Agriculture’s Economic Research Service used four climate projections, a crop-growth simulation, and a model for predicting how farmers would change their crop […]

Study: 80 Percent of U.S. Electricity from Renewables Is Technically Feasible, But Faces Significant Barriers

A massive U.S. government study shows what an electrical grid powered largely by renewable sources looks like, but not the path to get there.

Bladder Up: Lowering the Financial and Environmental Cost of Shipping Bulk Water

Billions of gallons of bottled water are exported each year. But to cut transportation costs, some companies are using plastic bladders for bulk shipping.

Rains Bring Black Water in Wake of Colorado Fire

Though the High Park fire is 100 percent contained, its effects are just beginning. Circle of Blue reporter Brett Walton speaks with the experts and the water enthusiasts in the aftermath.

Federal Water Tap, July 9: House Ag Committee Releases Draft Farm Bill

The U.S. House Agriculture Committee published a draft version of the 2012 Farm Bill, which is estimated to save US$35 billion over 10 years. The committee will discuss the 557-page piece of legislation on July 11 (find the committee’s summary here). In the draft, grants for rural water and wastewater projects are cut in half, […]

U.S. House Appropriations Committee Cuts Funding for Water Programs in 2013 Budget

Funds for water infrastructure are slashed. By Brett Walton Circle of Blue Last week, the House Appropriations Committee, which handles the federal budget process, approved a fiscal year 2013 spending bill with significant cuts for water infrastructure and water quality programs. Overall spending for the U.S. Environmental Protection Agency (EPA), the Department of the Interior, […]

Federal Water Tap, July 2: Budget Cuts to EPA, Interior in House Spending Bill

The House Appropriations Committee passed a spending bill for the Department of the Interior, the Environmental Protection Agency, the U.S. Forest Service and 20 related agencies that cut total spending by 4 percent, and by 6 percent compared to the president’s request. The EPA shoulders most of the pain, seeing its budget cut $1.4 billion, […]

Lessons Learned? How Drought Has Shaped Water Policy in Georgia

Just as it was five years ago, a record-breaking drought is evident in Georgia. But has the state become more resilient through changes to water management policies? Photo © Chris Drummond/Flint Riverkeeper Spider lilies fill the banks of the upper Flint River, near Thomaston, Georgia. Alabama and Florida also share the river basin, which the […]

Images from NASA’s Salt-Sensing Satellite

The Aquarius mission will help scientists understand the global water cycle. Animation from NASA’s Aquarius satellite showing changes in ocean salinity in the last year. A year ago, NASA and Argentina’s national space agency collaborated on a mission to measure salt concentrations in the world’s oceans. Since the fall, the Aquarius satellite has been transmitting […]