Concrete is tipping us into climate catastrophe.|Orientador|html|| ||concreto|2019-2-26_15:58|Skye||https://www.theguardian.com/cities/2019/feb/25/concrete-is-tipping-us-into-climate-catastrophe-its-payback-time-cement-tax|PDCProfessores#Concrete: the most destructive material on Earth|Orientador|html|| ||concreto|2019-2-26_0:16|Skye||https://www.theguardian.com/cities/2019/feb/25/concrete-the-most-destructive-material-on-earth|PDCProfessores#