INSIGHT-Concrete makers face heavy lift on climate pledges

Thomson Reuters Foundation | Jul 1, 2021 at 12:00 PM
  • Cemex, North America’s biggest concrete producer, has vowed to slash carbon dioxide emissions by 40% before 2030 and to eliminate them by 2050, ambitious goals reflecting growing pressure on the industry from regulators and investors.
  • The CO2 pollution starts with mining of limestone and continues with the chemical process used to turn it into cement, the power for factories and kilns, and the fuels for shipping it worldwide for projects from patios to skyscrapers.
  • “Pending major technological breakthroughs, it’s not clear to me how they’re going to be met.”