When prices for petroleum products like gasoline and jet fuel get as high as they are, more people start to think about alternative energy. Sure, more drivers are using hybrid or electric-powered vehicles, but in most cases it is old-fashioned fossil fuels like crude oil, coal and natural gas powering their world.
Green and sustainability used to be synonymous with alternative energy, whether it was isolar roofs or electricity conservation. In the last decade, however, activity has exploded and the green sector is now a very broad one with numerous sub-sectors, including areas such as water and concepts such as energy efficiency.
So how much do you know about the world of green and sustainability? Take our test and find out.
Posted 15 April 2011