Telegraph: Under the European emissions trading scheme (EU ETS), energy intensive industries – that are responsible for half the region’s emissions – are given an allowance for the amount of carbon dioxide they produce. A certain number of these “carbon credits” are given to each of the 12,000 companies in the scheme and then traded in a “cap and trade” scheme that ensures companies that want to pollute more have to pay and industries that cut emissions are rewarded. However so far the …