INFOGRAPHIC: When will the world's resource cupboard be bare?

BBC charted the expected lifespans of various resources like silver, coal and forests.

As the world’s population soars, so does its consumption, and as a result we are stretching many of our natural resources to their limits.

Of course, the assumption is that human ingenuity and market forces will prevent supplies from running out: we could create better or cheaper extraction methods, recycle materials, find alternatives to non-renewable sources, or reduce consumption.

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