With 1.3 billion tons of food trashed, dumped in landfills and otherwise wasted around the world every year, scientists today described development and successful laboratory testing of a new "biorefinery" intended to change ...
Materials Science
Aug 20, 2012
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A new biodrying process from Siemens quickly converts sewage sludge into a usable form while saving energy. When dried with the new process, sludge from wastewater treatment can be used as fertilizer, dumped in landfills ...
Energy & Green Tech
Aug 13, 2012
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Latin America's largest landfill was closed Sunday after 34 years, just days before Rio de Janeiro hosts a major UN conference on sustainable development.
Environment
Jun 4, 2012
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(Phys.org) -- A team of researchers, led by Katey Walter Anthony, of the University of Alaska, has been studying and mapping so-called seeps, holes in lake ice near the edges of glaciers where methane is bubbling up from ...
Scientists and food industry experts are hatching a plan this Easter to turn egg shells into plastics that could be used to manufacture anything from food packaging to construction materials.
Other
Apr 4, 2012
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The percentage of electronic waste occupying our landfills has grown at an alarming rate over the last decade, giving rise to concerns about the toxicity of components used in consumer electronics.
Bio & Medicine
Mar 21, 2012
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(PhysOrg.com) -- Michigan State University researchers have found that by mixing ground waste glass into the cement that is used to make concrete, the concrete is stronger, more durable and more resistant to water.
Engineering
Feb 21, 2012
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Environmentalists Wednesday welcomed plans for Hong Kong to introduce a "pay-as-you-throw" tax on rubbish disposal as the city moves to tackle a growing waste problem.
Environment
Jan 11, 2012
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(PhysOrg.com) -- Despite efforts to encourage the recycling of plastic water bottles, milk jugs and similar containers, a majority of the plastic packaging produced each year in the United States ends up in landfills, where ...
Materials Science
Sep 28, 2011
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Plastic waste is one of the worst forms of trash because it takes so long to degrade, thus overflowing our landfills and polluting our oceans and waterways. But what if we could make plastic from a recycled, natural, biodegradable ...
Materials Science
Sep 26, 2011
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