Water
Academics build ultimate solar-powered water purifier
You've seen Bear Grylls turn foul water into drinking water with little more than sunlight and plastic. Now, academics have added a third element—carbon-dipped paper—that may turn this survival tactic into a highly efficient and inexpensive way to turn saltwater and contaminated water into Read More...
Desalination: The oceans hold the answer to the world’s water crisis
Global water usage is growing twice as fast as the population. That’s a problem. There’s, of course, a lot of salt water in the oceans and most people live near coasts. So, can desalination provide an answer to the shortage of drinking water? Desalination is not new. The Romans made drinking Read More...
Is California’s five-year-long intensive drought finally over?
Storm after storm has pummeled California over the past few weeks as a series of so-called atmospheric rivers has come ashore. Given the massive amounts of rain and snow that have fallen, people want to know if California’s five-year-long intensive drought is finally over. The answer, of Read More...
Wars will not be fought over water – our thirst could pave the way to peace
The changing of the guard on the 38th floor of the United Nations has taken place at a time when notions about peace and conflict undergo a subtle change. In particular, the role of resources – especially water – is getting the recognition it deserves, as António Guterres takes Read More...
Next big thing: renewable water desalination
One fun thing about running CleanTechnica for the past 7 years or so has been watching as new innovations and industries pop up, and then navigating the initial players in these nascent markets and trying to find out who is leading and where the market is going. Wind is now a mature market that Read More...
What California can learn from Singapore's brilliant water strategy
All it takes is a glance at Singapore’s water conservation strategy to realize the city-state understands the importance of conserving water. Singapore seems to have a better grasp on water conservation than even California, a state that has suffered six long years of drought and has Read More...
As rains soak California, farmers test how to store water underground
Six years ago, Don Cameron, the general manager of Terranova Ranch, southwest of Fresno, Calif., did something that seemed kind of crazy. He went out to a nearby river, which was running high because of recent rains, and he opened an irrigation gate. Water rushed down a canal and flooded hundreds Read More...
A natural solution to water security
When you turn on the tap in Quito, Ecuador, the water that emerges does so after a long journey. It starts high in the Andes, in springs and streams that merge into rivers, and flows downhill into the watersheds of the Condor Reserve. There, the water filters through cloud forests and grasslands, Read More...
The simple water filter that could save lives around the world
About five years ago, Kevin Kassel traveled to Ecuador with a school group and experienced something that would change his life. As part of the trip, he delivered a water filter to an elementary school. “When we got there, we learned that a little girl had died from diarrhea as a result of Read More...
A water-abundant vision of 2017
I believe we are at an inflection point regarding how the public and private sectors view water as a resource. This is not to say that there is a groundswell of private sector commitment to invest in mitigating water risks, or that the public sector has completely addressed policy and governance Read More...