Legal & Regulatory, News U.N. seeks carbon neutral planet by 2050 Forty percent of the U.N.’s 193 member nations committed to achieving carbon neutrality by 2050, and nearly the same amount vowed to do more by 2020. By John Heilprin - September 23, 2019 A Spanish cement factory outside Barcelona. Cement manufacturers accounts for 8 percent of global CO2 emissions (AN/Jorge Franganillo) You need to login to view this content. Please Login. Not a Member? Join Us