Growing demand for non-food crops

Since then, societies around the globe have not looked back. Coal and oil have fuelled economic growth for more than 200 years. But today, political leaders of all persuasions are having to think the unthinkable and look beyond the age of oil.

The upward trend in the cost of oil, fears over security of supplies, and the environmental consequences of burning fossil fuels are forcing the rethink. It appears as if many nations are taking a leaf out of the history books and looking to home-grown solutions for an answer: non-food crops.

More at the BBC.