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high speed rail

Concrete is tipping us into climate catastrophe. It's payback time

By: 
John Vidal

Tucked away in volume three of the technical data for Britain’s £53bn high speed rail project is a table that shows 20m tonnes of concrete will have to be poured to build the requisite 105 miles of track, culverts, bridges and tunnels. It is enough, it has been calculated, to pave over the entire city of Manchester.

Cement, the key component of concrete and one of the most widely used manmade materials, is now the cornerstone of global construction.

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