Producing cement is a major source of carbon emissions — 8% of the global total. A company in Massachusetts has altered the recipe, finding a way to produce carbon-zero cement instead. Roughly 8% of ...

Concrete and steel production are major sources of CO2 emissions, but a new solution from Cambridge could recycle both at the same time. Throwing old concrete into steel-processing furnaces not only ...

Concrete is one of the most common materials on Earth, thanks to its high strength and low cost – but it’s also one of the largest single sources of carbon dioxide emissions. Engineers at Washington ...