Cleaner Tech
Boston Startup Raises $40 Million to Develop New Low-Carbon Cement Technology
Sublime Systems says it has come up with a new two-step process, but more research is needed.
Billions of tons of cement is used each year, which adds billions of tons of planet-warming emissions to the atmosphere.
Photographer: Asim Hafeez/BloombergThis article is for subscribers only.
Boston-based startup Sublime Systems has raised $40 million to develop a new technology to produce low-carbon cement.
The cement industry contributes as much as 8% to global emissions of planet-warming carbon dioxide. Meeting global climate goals under the Paris Agreement would require reducing that to zero within decades.