March 22, 2010
Follwing on from our story last year about professor Pal Mangat’s development of carbon neutral cement, a start-up company based in the US says it has found a way to capture the carbon dioxide emissions from coal and gas power plants and lock them into cement. Calera is trying to capture carbon in the production [...]
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November 5, 2009
Believe it or not, cement contributes 5% of the world total carbon output every year – more than the entire aviation industry. So the invention of carbon neutral cement would go a long way towards helping reduce mankind’s carbon footprint. Portland cement is made by heating limestone or clay to around 1,500°C. The energy used [...]
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