Once water is used in washing, cleaning or even sewerage it can be safely and reliably treated. The treated water is then safe to drink – identical to the original water.
It’s long been known that our diet choices help determine our carbon footprint. But do you know which of your favourite foods are the most water-hungry?
The nutritional, financial and environmental cost of an average family’s weekly food waste is shocking. It equates to five adult meals, 143 showers, $18 and 23 kg of CO2.
A 2006 Supreme Court ruling created widespread confusion about which wetlands and other waters are federally protected. The Trump administration’s latest action isn’t likely to clear things up.
Combining aquaculture and hydroponics, aquaponics unearths value in “waste” flows and re-routes them back into the economy. It’s an inspiring example of how a circular-economy business model can work.
Peruvian glaciers have shrunk by 25% since 1987, causing water shortages in rural villages. But ancient technology could help manage this precious resource.
Emad Hasan, Binghamton University, State University of New York et Aondover Tarhule, Binghamton University, State University of New York
Climate change threatens the water supply of nations around the world. But it’s difficult to measure whether a region has sufficient water to satisfy the people who live there. Could satellites help?
New research forecasts that climate change will make multiyear stretches with low snow levels more common across western North America – bad news for water managers, farmers, foresters and skiers.
Debra Perrone, University of California, Santa Barbara et Scott Jasechko, University of California, Santa Barbara
Millions of Americans rely on groundwater for their lives and livelihoods, but regulation is piecemeal. A new study maps groundwater wells nationwide and finds that they are drilling steadily deeper.
Western states adopted a 7-year plan in May 2019 to manage low water levels in the Colorado River. Now they need to look farther ahead and accept that there will be less water far into the future.
Laura Pangallozzi, Binghamton University, State University of New York
Flint’s highest recorded lead levels were typical for water systems that report problems. What’s more, a number of cities haven’t reported their lead issues.
Professor of Civil, Environmental & Ecological Engineering, Director of the Healthy Plumbing Consortium and Center for Plumbing Safety, Purdue University
Professor in Practice on Environmental Innovation, School of Social and Environmental Sustainability, University of Glasgow, UK, National University of Singapore
Associate Professor of Environmental Economics and Policy, School of Environment, Science and Engineering, and Fellow of the Marine Ecology Research Centre, Southern Cross University