A new technique can produce cement using waste from demolished buildings, which researchers say could save billions of tonnes of carbon by 2050. “We have definitely proved that cement can be recycled ...

One of the biggest problems in dealing with carbon dioxide emissions is the making of the key component of cement: lime (calcium oxide). Now, a small company with the cute name Sublime Systems appears ...

Scientists at startup Sublime Systems want to fix one of our biggest climate nightmares. This article is from The Spark, MIT Technology Review's weekly climate newsletter. To receive it in your inbox ...

Add Yahoo as a preferred source to see more of our stories on Google. Bucket being filled with cement - Alvarez/Getty Images The modern world is built on concrete, and cement is what makes it possible ...