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 ...

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 ...

This strange white paste might not look like much, but it might help solve the sand shortage, while making the cement manufacturing process capture carbon dioxide instead of emitting it. Scientists at ...

In 2014, hundreds of Angelenos gathered downtown to watch more than 2,000 trucks pour concrete into a vast hole. During that event, Los Angeles set a world record: 80 million pounds of concrete were ...