Category: Water

How to purify water with waste materials

Cropped image of Lake Lanier, Atlanta’s primary source for drinking water.
Originally Published by EurekAlert! – Earth Science(Tomsk Polytechnic University) Sand, coral and even waste building materials can become extremely efficient sorbents for water purification from toxic substances, if they are subject to treat in a special way. Topic: Technology, Water

Human water use ‘greater than thought’

Mekong Delta

Originally Published by BBC News – Science & Environment New calculations show that our already sizeable water footprint is 18% bigger than previously recognised – at 10,700 cu km a year. Topic: Water

Faster groundwater remediation with thermal storage

Groundwater. Image Source: Wikimedia Commons.
Originally Published by Earth & Climate News — ScienceDailyAquifer thermal energy storage (ATES) is more than a renewable energy source. The storage and extraction of heat and cold can remediate polluted groundwater ten times faster than existing technologies, a researcher says. Topic: Water

Protecting lakes, streams by removing phosphates as well as nitrates


Originally Published by Earth & Climate News — ScienceDaily A low-cost method of removing phosphates from tile drainage water has been developed, and may help protect lakes and streams. Using steel byproducts to trap phosphates in simulated tile drainage water, the researchers envision installing a steel-containing cartridge as an add-on to nitrate-capturing bioreactors. Topic: Agriculture, […]

From Oregon to Johannesburg, micro-hydropower offers a solution for drought hit cities

Originally Published by Environment | The GuardianCities worldwide are harnessing the power of gravity to generate electricity from public drinking water. Topic: Water

Durango copes with ‘orange nastiness’ of toxic sludge river pollution

Animas River
Originally Published by Environment | The GuardianThe Animas River in Colorado now glows orange after 3m gallons of toxins spilled in from a nearby gold mine. Topic: Water

In California, Water Restrictions Above Ground and Leaks Below

Originally Published by NYT > EnvironmentIn the midst of a devastating drought, the state finds that no loss of water is trivial and goes about finding and fixing them. Topic: Water

Three Gorges Dam could be locking up carbon

Originally Published by environmentalresearchweb: all contentDam walls may prevent carbon in river sediment from reaching ocean and returning to atmosphere, a new study shows. Topic: Technology, Water

Some California Farmers to Cut Water Use to Ease Drought

Originally Published by New York TimesEver since the Gold Rush, California farmers have staked their claim to water and ferociously protected the rights to use it to irrigate the crops that have made the state the grocer for the nation. Topic: Water

Recharge pools could help quench future California droughts

Originally Published by New Scientist – EnvironmentCalifornia could solve its water problems, and cope with climate change, by actively refilling its overdrawn aquifers Topic: Sustainability, Water