Club of Rome updated
Remember the Club of Rome report Limits to Growth, published in 1972? There’s an interesting article and graphics (subscription required for full article) in the current New Scientist showing what the latest estimates are for how long precious and rare metals will last.
Not just of interest if you are considering buying jewellery – these metals include platinum, used in catalytic converters, and indium, used in LCD screens. The predicted number of years left are surprisingly few for many metals – especially if the rest of the world were to increase their usage to current levels in the USA.