News tagged with waste material

Can Recycling Be Bad for the Environment?

(PhysOrg.com) -- By now, nearly everyone knows that it is important to recycle. It helps the environment. Even my six-year-old knows that. But what if it doesn't? While it seems pretty straightforward, in most cases, there ...

dateJul 14, 2009 in Environment weblog
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Temperature differences give rise to electricity

More than half of today's energy consumption is squandered in useless waste heat, such as the heat from refrigerators and all sorts of gadgets and the heat from factories and power plants. The energy losses are even greater ...

dateNov 09, 2011 in Engineering
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Green Ideas: Making Concrete from Rice

(PhysOrg.com) -- Concrete accounts for about 5% of all human-related CO2 emissions. The fact that we use so much cement in building could mean that the issue becomes even more pronounced in the future. But what if there was ...

dateJul 21, 2009 in Materials Science weblog
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