This chapter explores the urgent uncertainties in climate predictions, particularly regarding the possible collapse of the Amazon rainforest due to rising temperatures. It calls for a deeper scientific understanding of the complex relationships between deforestation, temperature changes, and their ecological consequences.
(Conversation recorded on June 19th, 2024)
Show Summary:
While the mainstream conversation about our planet’s future is heavily dominated by the topic of climate change, there are other systems which are just as critical to consider when thinking about the health and livability of our world. Just like climate change, each of these systems has its own limits within which humanity and the biosphere can continue to develop and thrive for generations to come. However, each also has a critical tipping point - known as a Planetary Boundary - past which Earth’s systems may no longer be able to self-regulate or remain the comfortable and predictable home in which we’ve spent our entire history as a species.
In this episode, Nate speaks with environmental scientist Johan Rockström to unpack his team’s work on Planetary Boundaries and the pressure that humanity is putting on them.
How do these critical systems work to regulate the stability and resilience of the biosphere, and how do we measure their health and tipping points? What are we risking as we continue on our path towards pushing each of these interdependent systems past the point where they can continue to function? Is it possible to reverse the damage that consumptive, growth-based systems have already done to our planetary home and prevent further destruction?
About Johan Rockström:
Johan Rockström is an internationally recognized scientist on global sustainability issues. He led the development of the Planetary Boundaries framework for human development in the current era of rapid global change. He is a leading scientist on global water resources, with more than 25 years experience in applied water research in tropical regions, and more than 150 research publications in fields ranging from applied land and water management to global sustainability.
In addition to his research endeavors, which has been widely used to guide policy, Rockström is active as a consultant for several governments and business networks. He also acts as an advisor for sustainable development issues at international meetings including the World Economic Forum, the United Nations Sustainable Development Solutions Network (SDSN) and the United Nations Framework Convention on Climate Change Conferences (UNFCCC). Professor Rockström chairs the advisory board for the EAT Foundation and is a member of the Earth League and has been appointed as chair of the Earth Commission.
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