Planting the seeds of change

As the dust settles on COP27 climate talks in Egypt, we reflect on what was and what wasn't achieved to help the world avert catastrophic warming. And as we hear from people living in South Africa's coal belt — we’re not just headed for a world made worse by burning fossil fuels, we're living in one. Plus, we meet the seed savers taking matters into their own hands — one tasty bean at a time.