While making small volumes of pure water in a lab is possible, it’s not practical. The reaction is expensive, releases lots of energy, and can cause really massive explosions.
Articles on Rainwater
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Faced with a drought, it’s tempting for cities to reduce the amount of space that needs water. But this is not a good idea.
Many countries collect and store rainwater for use during drought or dry seasons. But this technique is rarely used in the Caribbean, where hurricanes can leave people without water for months.
The beauty of rainwater harvesting is that anybody can do it.
Water is increasingly becoming scarce as the climate changes. There are four changes that cities can make to adapt to water scarcity.
Australian cities have turned to some very costly solutions when water is scarce. But as the world’s second-highest users of water per person, more efficient use and recycling are key.
States, including Colorado, restrict the use of rain barrels. A water law scholar says a better way to conserve is reduce waste from big – and powerful – water users.
Geosciences can be a valuable tool in the fight to provide Sub-Saharan Africa with safe drinking water.
Built-up urban environments transform the resource of rainwater into wasted runoff. Low Impact Development mimics nature to help get stormwater into the natural water system.
Top contributors
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Assistant Professor of Emergency and Disaster Health Systems, University of Maryland, Baltimore County
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Associate Professor in Environmental Science, Western Sydney University
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Senior research scientist, Stellenbosch University
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Researcher, Department of Environmental Science, Stockholm University
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Senior lecturer, Nelson Mandela University
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Honorary Fellow, Infrastructure Engineering, The University of Melbourne
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Senior Lecturer, Western Sydney University
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Postdoctoral fellow, University of Cape Town
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Associate Dean for Academic Affairs, Associate Professor of Environmental and Natural Resources Law, University of Oregon
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Postdoctoral Research Associate at the School of Biosciences, Cardiff University
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Programme coordinator, water management, Center for International Forestry Research – World Agroforestry (CIFOR-ICRAF)
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Postdoctoral Fellow in Geotechnical Engineering, University of Toronto
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Lecturer, Western Sydney University
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Professor, Western Sydney University
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Associate Professor, Associate Chair of Graduate Studies for Environmental Engineering, and Canada Research Chair in Stormwater and Low Impact Development (Tier II), Carleton University