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The earth has lost 28 trillion tonnes of ice. Here’s what that means for our future

A sea level rise of two metres would render the current Thames Flood Barrier obsolete and would require consideration of alternative ways to protect the capital

By Bill McGuire  

As human activities continue to roast the planet, so its once stable climate is being knocked seriously out of kilter. Unprecedented changes are taking place at great speed, not least in those parts of the world covered with ice. Colossal changes are often described using big numbers. The trouble is that these very large numbers are impossible for the mind…

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