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 ...

The billions of tons of cement made each year have an enormous carbon footprint: 8% of global emissions, or four times more than the airline industry. That’s both because of the energy used to make ...

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 ...

Roughly 8% of the world's total carbon emissions come from making one thing - cement. Cement is a key ingredient in the 30 billion tons of concrete that the world uses each year. And because of all ...