MANY plans for reducing the world’s emissions of carbon dioxide—at least, those plans formulated by environmentalists who are not of the hair-shirt, back-to-the-caves persuasion—involve peppering the landscape with wind turbines and replacing petrol-guzzling vehicles with electric ones charged up using energy gathered from renewable resources. The hope is that the level of CO2 in the atmosphere…Continue Reading In a hole? Demand for some rare-earth elements could rapidly outstrip supply
In a hole? Demand for some rare-earth elements could rapidly outstrip supply
