From recycling drinking water to green transport links and renewable energy sources, cities can be adapted and built to be sustainable in all sorts of ways.

In Putting the Planet First: Sustainable Cities, discover how people around the world are working all the time to innovate and create self-sustaining settlements. Learn too, what you can do to help the environment, and about small changes you can make that will have a real impact.

It's a fascinating introduction to the positive changes people are making to try and live more sustainably, and will inspire children to think creatively about how they can put the planet first!