| Guardian: The reason is that the price of a cheap flight to eastern Europe or of a bunch of hothouse flowers flown in from east Africa does not include the cost to the environment. By international agreement, airline fuel is exempt from tax. "Greenhouse gases are, in economic terms, an externality," the report says. "Those who produce greenhouse gas emissions are bringing about climate change, thereby imposing costs on the world and on future generations, but they do not face the ... |
