Guardian: The penny had to drop eventually fossil fuels like coal might be more valuable if they were used to make medicines, chemicals and fertilisers rather than wasted by being burned.
While we know that fossil fuels are used to make all sorts of everyday objects such as plastics, carbon fibre, soap, aspirins, solvents and dyes, it has never occurred to most of us how we will make these things when the coal, gas and oil run out.
To help concentrate minds on the potential waste of resources, the...