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Climate change: The massive CO2 emitter you may not know about.
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Concrete is, now, the main artificial product used in
history of humanity. The other most exploited resource is water.
made of a mix of water, cement binder, gravel, and sand. Cement is at the root
of 8% of the planet’s carbon dioxide emissions. It produces 3.2% more CO2
than aviation fuel.
Concrete is used in a lot of architectural constructions
because of the resistance, sturdiness and durability of this material. It has
potential because of the galloping urbanisation, with cement’s production multiplied
by thirty in fifty years. China employs more concrete in two years than USA in
a total century. The consumption in China seems to be stable, whereas it increases
in the rest of the Asian continent and the south of Africa.
is one of the most polluting and is permanently kept under surveillance. If the
concrete industry wants to keep its place in the Paris Agreement it has to
change its production mode.
Photo de Yuanyuan Zhang provenant de Pexels