Global construction emissions could double by 2050, new study warns

Carbon-heavy materials like cement and steel drive a third of global CO2 output. Researchers call for a ‘material revolution’.

The global construction sector’s carbon footprint is on track to double by 2050, threatening to derail global efforts to meet the Paris Agreement climate targets, a new international study warns as the world marks UN World Cities Day on Friday, a call to make cities more sustainable.