The greatest challenge for humanity in the 21st century is fulfilling all humanity’s needs, within the planetary boundaries. How can we ensure everybody the pursuit of happiness, end poverty, make injustice history while protecting the planet and avoid to overshoot our pressure on Earth’s life-supporting systems (soil, biodiversity, atmosphere) on which all the living beings on this planet rely on? The linear, petro-capitalist, neoclassical economy has pushed our world on the brink of collapse. A new redefinition of political economy is very much needed. Over the last year, a lot of attention has been directed to the work of economist Kate Raworth, from the Institute for Sustainability Leadership. But don’t expect hyper-complex graphs and rules that build on tradi...