Traffic is among the biggest sources of air pollution, but what if the very roads they drive on could help clear the air? Engineers in Korea have now demonstrated that photocatalytic concrete can help reduce pollution in tunnels.
Hong Kong (CNN Business) Rising sea levels are boosting the need for flood defenses. But the main material used in many man-made barriers is concrete, which can inflict its own huge cost on the climate and sea life.
Update: January, 10/2021 - 17:25
Cement packs loaded for export at Thị Nải Port. The cement industry was forecast to see a significant increase in domestic sale in 2021 but export to slow down. — VNA/VNS Photo Viết Ý