Significance of Water in Judaism, Shinto & Zoroastrianism Judaism In Judaism ritual washing is intended to restore or maintain a state of ritual purity and its origins can be found in the Torah. These ablutions can be washing the hands, the hands and the feet, or total immersion which must done in ‘living water’, i.e. […]
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Biodiversity vital to streams as extinctions rise
As Earth enters a period of mass extinction, a study released on Wednesday offers a new reason to preserve biodiversity: it’s an effective, natural pollution scrubber in streams. Environmental activists have long warned that waning biodiversity means the loss of such ecological services as stream-cleaning, control of pests and diseases and increased productivity in fisheries. […]
South African professor slams climate change as ‘world’s biggest distraction’
Climate change is probably the world’s biggest distraction and not its biggest and most immediate challenge, which belongs to clean water, says Professor Grant Cawthorn. Cawthorn, Wits University’s School of Geosciences Platinum Industry Igneous Petrology professor, contends that the lack of fresh water will have a much greater global impact than a “one or two […]
How to Purify Water
Most of us in the West don’t think about drinking water. We just turn on the tap and it’s there: clean, pure and reasonably tasty. But it’s a different story in developing countries or in the wilderness areas in our own backyards. And as we’ve seen with the recent cholera outbreak in Haiti, disaster areas […]
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Trapped Sunlight Cleans Water
High energy costs are one drawback of making clean water from waste effluents. According to an article in the journal Biomicrofluidics, which is published by the American Institute of Physics, a new system that combines two different technologies proposes to break down contaminants using the cheapest possible energy source, sunlight. Microfluidics — transporting water through […]
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Students Create Dirt Cheap Solar Solution for Disinfecting Water
Disinfecting water with the sun is an old idea. But students at University of Washington have come up with a clever way of checking whether or not the water being disinfected is finally ready to drink. Using simple parts, their cheap set-up is a solution for safe drinking water in poor areas, and it won […]
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Solar-Powered Desalination
Saudi Arabia’s newest purification plant will use state-of-the-art solar technology. Saudi Arabia meets much of its drinking water needs by removing salt and other minerals from seawater. Now the country plans to use one of its most abundant resources to counter its fresh-water shortage: sunshine and solar energy. Saudi Arabia’s national research agency, King Abdulaziz […]
Kick the Bottle Habit
Save resources by drinking from a glass whenever you can, or use a refillable, stainless steel bottle when you are on the go. Ever wonder where most of those plastic water bottles go that we knock back from every day? Into landfills, where they live on and on and on and on. Exempt from many […]
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