If COP26 has taught us anything, it is that our relationship with the planet and our use of finite resources is unsustainable and demands an urgent change in approach. To use a sci-fi analogy, what would you rather be? One of the Daleks – whose single-minded attempts to rule the earth are likely to result in mass extermination – or Doctor Who, who approaches each challenge creatively and always puts saving the planet and the people on it first?

Time for change

The challenges we face as a species are highly complex and daunting. The world population continues to grow, and increased urbanisation is leading to greater social inequality. Richer nations produce more food than they need, while over 800 million people globally are food insecure. Kate Raworth’s Doughnut Economics model clearly illustrates the economic and social impacts of climate and biodiversity emergencies, the global water crisis, damage to the world’s ecosystem from nitrogen and phosphorus...