Solar-power system could provide clean drinking water in rural India for the first time

February 2, 2017 by  
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A solar-powered purification system could slake the thirsts of rural India with clean drinking water for the first time. This would be no ordinary feat. Tens of millions of people in India lack access to potable water, and roughly 600,000 Indian children die every year from water- and sanitation-related diseases like diarrhea or pneumonia, according to UNICEF . In the country’s most far-flung regions, where 70 percent of India’s population lives, toxic bacteria routinely fouls at least half of the water supply . But while the Indian government has focused its efforts on treating surface water in rivers and streams, researchers from the University of Edinburgh in Scotland want to attack the source of contamination: sewage. They’ve developed a system that uses sunlight to induce high-energy particles within a photocatalytic material, which uses light to generate a chemical reaction. These, in turn, activate molecules of oxygen, mobilizing them to destroy bacteria and other organic matter. Because the materials require no power source, an off-grid system requires little more than attaching the photocatalyst to containers of contaminated water and angling them toward the sun until they’re safe to drink. If necessary, the system could be used in tandem with a filter to catch larger particles. Related: 6 Innovative, Life-Saving Designs for Clean Drinking Water The researchers are now working with the Indian Institute of Science Education & Research to scale up the technologies they honed during a five-month pilot project. “Working closely with our Indian partners, we aim to harness the sun’s energy to tackle a huge problem that affects many people around the world,” Neil Robertson, a professor from the University of Edinburgh’s School of Chemistry, said in a statement. + University of Edinburgh Via FastCo.Exist Photo by Jake Givens

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Solar-power system could provide clean drinking water in rural India for the first time

Iceland building biodome community to be fully sustainable oasis

February 2, 2017 by  
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Iceland’s weather extremes poses unique challenges for residents and travelers – but the country’s capital Reykjavik is planning a series of new eco biodomes that will welcome Icelanders with warmth and style. Designed by Spor i Sandinn , Aldin is a fully sustainable biodome community powered by geothermal energy. Located in the Elliðaárdalur Valley of Reykjavik, the biodome community will feature a central plaza surrounded by ample public spaces for social functions and public activities – as well as a marketplace and various cafes. Inside the biodome, the interior temp will be kept at a balmy 25°C – an optimal temperature for tropical plantings and a working urban farm . Related: Stunning geodesic domes from Romania can handle earthquakes up to 8.5 on the Richter scale According to Hjördís Sigurðardóttir, the founder and CEO of Spor i Sandinn , the project will show the world a new side of Icelandic agriculture: ” This glazed landmark Biodome will seek to reconnect people to nature in new and exciting ways, combining the experience of tropical temperatures, with a farmers’ market and an agricultural laboratory. Aldin will be a hub for minds and thoughts, a space for a healthy community to meet, shop, relax and socialize, as well as an authentic attraction for tourists.” Aldin will rent out spaces to green-minded tenants such as farm-to-table restaurants, green product retail stores, and health-related businesses. Sigurðardóttir contends that the biodome project could also serve as an example of how to create and build new and meaningful infrastructure, “The Biodome represents this. It is a statement of change, highlighting the benefits of another way of thinking and of energy-efficient buildings.” The Aldin project is currently waiting for approval, but it’s expected to open late 2018 or early 2019. + Spor i Sandinn

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Iceland building biodome community to be fully sustainable oasis

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