Global cement and concrete makers on Tuesday laid out steps to cut carbon dioxide emissions 25% by 2030 and to reach zero net emissions by mid-century, relying on more carbon-free energy, new chemistry and manufacturing technology, and carbon capture. Cement, the glue of concrete, accounts for about 7% of global carbon emissions, and the Global Cement and Concrete Association (GCCA) accounts for 80% of concrete made outside of China, and some companies within China.
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