"... cement, creates a substantial yet underappreciated amount of human-produced carbon dioxide: up to 8 percent of the global total, according to London-based think tank Chatham House. ... In 2018 the Global Cement and Concrete Association, which represents about 30 percent of worldwide production, announced the industry's first Sustainability Guidelines, a set of key measurements such as emissions and water usage intended to track performance improvements and make them transparent. ..."
Read more https://www.scientificamerican.com/article/low-carbon-cement-can-help-combat-climate-change/
