Petroleum has utterly changed the way we live. But has the cost to the planet been too great? Has oil overheated our climate? Is the Oil Age already being replaced by smarter technologies?Is there enough of the black stuff to go round, and will it keep flowing?This book, in the Question It! series for readers upwards of age ten, will explore these important topics in a balanced and objective way, encouraging readers to take a questioning approach to the issues surrounding the use of oil and natural gas.