Car pooling, also known as lift-sharing or ride sharing, is a great way to save on transport costs and reduce your travel related environmental impact. Learn more about the advantages and how technology is changing the car pooling world. You don't necessarily need to have a car to get involved!

With carbon dioxide emissions snaring most of the media attention in relation to global warming, it's easy to forget that there's other greenhouse gases too - some with the potential to trap more heat and for longer than CO2. Here's a look at some of the substances, where they come from and what we can do to minimize emissions.