Entries by Brett Walton

Californians Ring In New Water Year with Trepidation

Pervasive fear about consequences of another dry winter.

Federal Water Tap, September 29: New List of Water Contaminants Coming Soon from the EPA

Last month, the White House office that oversees new regulations completed its review of a list of water contaminants that could be subjected to federal regulation. On August 27, the Office of Information and Regulatory Affairs returned the list to the U.S. Environmental Protection Agency, which will make it public later this year, according to […]

Federal Water Tap, September 22: America’s Spies Warn of Water and Climate Risks

The potential for violence, conflict, and government upheaval arising from natural resource scarcity and a warming planet continues to catch the eye of America’s top spooks. “Competition for scarce resources, such as food, water, or energy, will likely increase tensions within and between states and could lead to more localized or regional conflicts, or exacerbate […]

Western U.S. Governors Begin Drought Discussions

Better plans and more data are needed to guide response. Photo © Heather Rousseau / Circle of Blue Natural gas wells dot the landscape in Garfield County, in northwest Colorado. Energy is the theme of the first of four drought meetings this fall hosted by the Western Governors’ Association, a forum for state leaders. Click […]

California Governor Comes Full Circle on Groundwater Reform

New laws signed today address challenges highlighted in Jerry Brown’s first term – in the 1970s.

Making Water Stress a ‘Wedge’ Issue

A new approach puts people at the center of the water discussion. Image courtesy of Nature Geosciences The number of water “wedges,” or strategies to improve water security, that could be used in water-stressed basins. Researchers at McGill University and Utrecht University tested six strategies that could reduce the number of people living in water-stressed […]

Federal Water Tap, September 15: DEA Publishes New Rules for Handling Sensitive Prescription Drugs

The U.S. Drug Enforcement Administration made final new rules that will help prevent unused medications from contaminating waterways. Pharmacies are now authorized to collect unwanted narcotics, stimulants, and other “controlled substances.” Before, these pills had to be turned over to law enforcement officials. One-day drug collection events have grown in popularity. Clean water advocates are […]

New Federal Rules Expand Ways to Keep Prescription Drugs out of Waterways

Pharmacies, hospitals, and distributors are now authorized to collect narcotics, opiates, and other “controlled” drugs. Image courtesy of the U.S. Drug Enforcement Agency Volunteers display two jars full of medications collected a May 2011 U.S. Drug Enforcement Administration take-back event in Arizona. New rules allow pharmacies and hospitals to accept controlled substances for safe disposal. […]

In Nepal, Deadly Landslide Has Calmer Second Act

Dammed by the landslide, the Sun Koshi River breaks free. Image by Kaye LaFond / Circle of Blue A landslide on August 2 blocked the Sun Koshi River in Nepal’s Himalayan foothills. After a heavy rainstorm this weekend the dam broke, causing minimal damage but reducing the flood risk. Click image to enlarge. A dam […]

Ogallala Groundwater Study Will Set Stage for Colorado Water Conservation Debate

Farmers want to know the economic and social ramifications of reducing groundwater use. Photo via Shutterstock Cattle roam near a water tank on a ranch in northeastern Colorado. Farmers in the region are beginning to consider new limits on the amount of water they draw from the shrinking Ogallala Aquifer. Click image to enlarge. By […]

Federal Water Tap, September 8: Mississippi River Basin States Fail to Set Nutrient Pollution Targets

More than five years ago, a state and federal task force charged with developing a strategy for shrinking the low-oxygen dead zone in the Gulf of Mexico called on the 12 member states to produce plans by the end of 2013 for addressing the root cause: too much fertilizer flowing from farm fields into rivers; […]

More Trees Mean Less Water for California’s Mountain Rivers

If global warming increases vegetation in high mountain zones, less water might be available for rivers. Photo © Brett Walton / Circle of Blue The Kings River, shown here flowing through Kings Canyon National Park, begins high in California’s Sierra Nevada mountains, more than 4,000 meters (13,120 feet) above sea level. New analysis reckons that […]