If I Ruled the World by Gillian Burke 17: I would create a Gross Gaia Happiness Index: Tim Lenton
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What would society look like if we scrapped GDP as a measure of progress? This week, Gillian chats with Professor Tim Lenton, a seasoned expert in Earth System Science from the University of Exeter to find out. We dive into the profound connections between our planet's systems and the Gaia hypothesis; exploring how the conditions of life on earth are maintained by self-regulating systems in the ocean, atmosphere, rock and by life itself.
Key Takeaways:
Understanding Earth System Science:
- Earth System Science views our planet as a cohesive unit, focusing on the thin, life-supporting layer from the top of the atmosphere to the crust. This perspective emphasises the interconnectedness and interdependence of all planetary components.
Gaia Theory Revisited:
- Gaia theory conceptualises Earth as a self-regulating, complex system, akin to a living entity but not an organism. It maintains its stability through feedback mechanisms, despite lacking the robust material exchanges characteristic of organisms.
Climate Tipping Points:
- The discussion highlights critical tipping points in the climate system, such as the melting of ice caps and permafrost, which could dramatically alter global climate patterns and sea levels.
Positive Tipping Points:
- Positive developments in renewable energy technologies, such as solar and wind power, are becoming self-sustaining through economies of scale and could significantly reduce greenhouse gas emissions.
Societal and Behavioural Changes:
- Emphasising the need for a shift in societal behaviours and norms, particularly in energy consumption and diet (reducing meat consumption), which are crucial for achieving sustainable environmental outcomes.
Global Gaia Happiness Index
- A new measure of success. Tim outlines what a world without GPD would look like and suggests ideas for what might take its place.
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