Bill Ryerson, Robert Walker, and Julia Whitty examine population’s complex, pervasive relationship to the most pressing issues of our time, including climate change, biodiversity losses, global equity and human rights. William Ryerson, PCI Population Fellow and President of Population Media Center, Robert Walker, Executive Vice President of The Population Institute and Julia Whitty, Environmental Correspondent for Mother Jones Magazine examine population’s complex, pervasive relationship to the most pressing issues of our time, including climate change, biodiversity losses, global equity and human rights.
Population 7 Billion: It’s Time to Talk – WEBCHAT
By William Ryerson, originally published by Energy Bulletin
October 19, 2011
Tags: Population
Related Articles
Ditching Dualism #2: Animism
Rather than being a religion, animism is a mindset that had common purchase around the globe prior to modern times. Not only is it important to appreciate how we used to be when the planet’s ecological relationships were more “normal,” but it offers a worthy alternative to dualism that has much overlap with an astrophysical perspective.
December 3, 2025
Reimagining Ourselves at the End of Our World: Kinship, Interconnection, and Spirituality in the Metacrisis
By Nate Hagens, The Great Simplification
In this episode, Nate is joined by guide and author Samantha Sweetwater to explore how separation is at the root of the metacrisis and how nurturing interconnection, relationships, and ecological maturity act as foundational components for systems change.
December 2, 2025
Marx and Sartre go shopping for a car
By Bart Hawkins Kreps, An Outside Chance
Why is it so difficult to find a job or to buy products that align with our values? Why is it difficult to even know whether our personal choices might have effects in the right direction?
December 2, 2025


