Climate change: The massive CO2 emitter you may not know about

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  • Concrete is the most widely used man-made material in existence.

It is second only to water as the most-consumed resource on the planet.

  • Lucy Rodgers
  • BBC

But, while cement – the key ingredient in concrete – has shaped much of our built environment, it also has a massive carbon footprint.

Cement is the source of about 8% of the world’s carbon dioxide (CO2) emissions,according to think tank Chatham House.

If the cement industry were a country, it would be the third largest emitter in the world – behind China and the US.

It contributes more CO2 than aviation fuel (2.5%) and is not far behind the…

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