If the cement industry were a country it would be the third-largest emitter in the world, after China and America. The building materials we depend on for development—cement, steel, glass, plastics and others—require vast amounts of energy and finite natural resources like water, oil and sand. But what if we could "grow" cities and products in a way that doesn't exploit the natural world? How can we standardise abundant, energy efficient, rapidly renewable materials?
00:00 - What are some sustainable alternatives?
00:31 - Why is construction bad for the environment?
01:08 - The problem with concrete
02:00 - Promising alternatives to concrete
03:07 - Can mushrooms help construct buildings?
04:09 - The impact of sustainable design
06:26 - Meeting the demand of emerging economies
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