Sustainable materials: is there a concrete solution?

The construction industry is responsible for over a tenth of the world’s man-made carbon emissions, with concrete being the biggest culprit. How can we continue to build, without it costing the earth? Film supported by @Infosys 00:00 - The trouble with rubble 00:55 - Construction is driving climate change 02:54 - The second most consumed resource on the planet: concrete 03:44 - Why concrete is so bad for the environment 04:40 - Cement alternatives 07:40 - Hemp for house construction 09:05 -Saving carbon by building with wood View all of The Economist’s climate change coverage: https://econ.st/3b1RwU2 Sign up to our weekly climate change newsletter: https://econ.st/3b1dtCQ Listen to our climate podcast, “To a Lesser Degree”: https://econ.st/3b1RuLU How cement may yet help slow global warming: https://econ.st/36srMB1 Efforts to make buildings greener are not working: https://econ.st/34NxdtU Green buildings: can mushrooms help? https://econ.st/3CPguTL How important is personal action to combating climate change? Listen here: https://econ.st/3Bh9z3r Building sustainable cities with wooden skyscrapers: https://econ.st/3Ihakgb The rise of 3D-printed houses: https://econ.st/34Pvi8l The EU’s proposed carbon tariff gets a mixed reaction from industry: https://econ.st/36vNQeo Efficiency eludes the construction industry: https://econ.st/36q6gwK