The cement industry is one of the world's largest greenhouse gas polluters, responsible for 7%-8% of global emissions, around 2.6 gigatonnes a year. That makes cutting emissions imperative ...

MIT engineers developed the new energy storage technology—a new type of concrete—based on two ancient materials: cement, which has been used for thousands of years, and carbon black, a black ...

Cement production is responsible for around 8% of global carbon emissions. Using microalgae, rather than CO2-releasing limestone, could drastically cut that carbon footprint.

If the cement industry were a country, it would be the third-largest emitter of carbon dioxide in the world, after the U.S. and China. One startup seeks to change that.

Cement manufacturing consumes large amounts of energy, much of it from fossil fuels that emit CO 2. Certain steps also emit CO 2 directly, notably, the creation of lime (step 3) and then clinker ...