Cracks in the surface (Economist)

THE cement industry is one of the world’s most polluting: it accounts for 5% of man-made carbon-dioxide emissions each year. About 4.3 billion tonnes of cement were consumed in 2014—China alone needed more than half of that. It also produces 60% of the stuff, followed at a distance by India and America. The industry brings in about $250 billion a year. Cement firms have not attracted the ire of environmental campaigners in the way that oil firms have. But that could change if they shirk efforts to cut emissions in a manner consistent with keeping the world less than 2°C warmer than it was in pre-industrial times. For now, few cement companies are setting environmental targets that are tough enough.

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