The 30 billion tons of concrete that the world makes each year have a massive carbon footprint. Cement, the main ingredient, is responsible for around 8% of global emissions—meaning that if it were a ...

Cement production is responsible for around 8% of global carbon emissions. Using microalgae to make a key ingredient could drastically cut that carbon footprint. During a trip to Thailand on his ...

For true zero carbon cement, the process can draw pure calcium from impurities in silica, magnesium, iron or aluminum, for example, refining them into higher-grade materials in the process. Crucially, ...

After a decade in the works, researchers at University of California, Los Angeles, have successfully devised a way to produce cement with 98% less CO2 emissions than traditional methods. The UCLA team ...