There are two certainties that the the world is not facing up to, and by so doing, threaten the Earth and humanity's future. Oil will run out relatively soon - and endless economic growth is an impossibility. The world's bubble economy based upon these illusions will burst. Our best hope is to address this now in order to have the most room to maneuver in implementing solutions, which do exist, with lack of political will being the biggest impediment.

BBC NEWS | Business | Is the world's oil running out fast?

If you think oil prices are high at $40 a barrel then wait till they are four times that much.