Closing the Loop: John meets Joost Bakker, visionary entrepreneur who is leading the way towards a zero-waste future. Primed for Life: Costa is in Port Kembla visiting a primary school that is teaching kids to grow food based on sustainable and ecological principals. The Way of the Future: Sophie visits Port Augusta to explore a world first greenhouse project, which is growing vegetables by harnessing the power of the sun and sea. Life Lessons: Costa heads to a senior school in Port Kembla to check out their vegetable garden, which is used by students as a central plank in their curriculum and as a way of helping some with social re-engagement. Our Changing World: Jerry is in New South Wales to explore an environmental project on a grand scale that aims to assess what effect increasing levels of atmospheric CO2 will have on our trees and natural ecosystems.