CO2 emmisssions

Video: This technology is already lowering cement’s carbon footprint

By Faye Oney / August 29, 2018

A Canadian company has commercialized a process that captures carbon dioxide waste to mix with concrete during production. This proprietary technology is a good first step in reducing cement’s impact on the environment.

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Solar cement — Solar-driven electrolysis for making lime and no CO2 emission

By Eileen De Guire / April 12, 2012

Conventional thermal decomposition of calcium carbonate for cement-making generates almost as much CO2 as lime. Solar-driven electrolysis of calcium carbonate yields calcium oxide and carbon (or carbon monoxide) and oxygen. Credit: Licht; George Washington University. Energy gurus often talk about reducing CO2 emissions. Why not be more aggressive and talk about eliminating CO2 emissions? And,…

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Japan’s leaders still struggling with post-Fukushima decisions

By / July 22, 2011

Despite some government announcements, consensus has yet to emerge on he fate of Japan’s nuclear reactors such as the Monju fast-breeder, above (still under construction). Credit: Nife; Wikipedia Commons. I don’t envy Japanese policy makers. The long-term economic and societal affects that continue to echo from the Fukushima Dai-ichi disaster are proving, understandably, to be…

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