…Chief executives and other senior figures of the [cement] industry gathered on Wednesday…They represented a business that produces more than 5% of mankind's carbon dioxide emissions. And they were in Brussels to discuss climate change… Dimitri Papalexopoulos, managing director of Titan Cement…said: "No matter what you do, cement production will always release carbon dioxide. You can't change the chemistry, so we can't achieve spectacular cuts in emissions.”… The Brussels meeting brought together the heads and senior staff of 18 companies which make more than 40% of the world's cement… [T]he initiative [is] called the Cement Sustainability Initiative (CSI)…Already, some cement companies have taken steps to reduce their environmental impact. [also refers to Taiheiyo]