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 ...
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 ...
There is no shortage of low-carbon and carbon-capturing concrete alternatives in the works, but MIT spinout Sublime Systems is particularly interesting, since it takes a novel electrochemical approach ...
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 ...
The company received an $87 million grant from the Department of Energy to build out a demonstration facility that will produce 30,000 tons per year of more-sustainable cement. Sublime Systems has ...
Wet concrete has been poured into buildings, roads, bridges and more for centuries. Structures using concrete have survived wars and natural disasters, outlasting many of the civilizations that built ...
The modern world is built on concrete, and cement is what makes it possible. You've probably heard these two terms used interchangeably, especially while watching DIY videos on YouTube. However, they ...
Our world is built of concrete. Durable and cheap, it’s the construction material of choice for buildings, bridges and tunnels. But its ubiquity means it has a huge environmental impact. Concrete is ...
This story was originally published by Canary Media and is part of its special series “The Tough Stuff: Decarbonizing steel, cement and chemicals.” Holcim Group, the largest cement manufacturer ...
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