Atmospheric physicist and climatologist Hans Joachim Schellnhuber, the founder of Bauhaus Earth, talks with us about reforesting the planet and “re-timbering” cities, the potential for the built environment to become a “hero” in climate restoration, and the vast number of solutions to be found by looking to nature and Indigenous cultures.Episode sponsored by Grand Seiko.

Philosopher Olúfẹ́mi O. Táíwò, author of the books “Reconsidering Reparations” and “Elite Capture: How the Powerful Took Over Identity Politics,” speaks with us about why future decision-making will be driven by the state of climate politics, considering the deep presence of the past within the current moment, and what a planetary “solidarity economy” could look like.Episode sponsored by Grand Seiko.

Israeli-born, Boston-based architect and urban planner Moshe Safdie, author of the new book “If Walls Could Speak: My Life in Architecture,” discusses approaching architecture with humility and in service to society, the staying power of his Habitat 67 housing complex in Montreal, and his vision for creating the Yad Vashem memorial to the victims of the Holocaust in Jerusalem.Episode sponsored by Grand Seiko.

Alec Nevala-Lee, author of the new biography “Inventor of the Future: The Visionary Life of Buckminster Fuller,” talks with us about what Fuller has in common (and doesn’t) with Elon Musk and Steve Jobs, the myth of the start-up founder, and why design solutions also need to take politics into account.Episode sponsored by Grand Seiko.

Fashion designer Suzanne Lee, the founder of Biofabricate, speaks with us about a new era of materials that could lead to more circular and regenerative systems, misunderstandings around the term “biomaterials,” and leaning into biology as a means of pushing the parameters of fashion forward.Episode sponsored by Grand Seiko.

A.I. researcher, data scientist, and N.Y.U. professor Vasant Dhar, host of the Brave New World podcast, discusses the need for careful internet governance, the incredible potential for responsibly pulling data from today’s “really powerful” algorithms, and the necessity of human oversight over machine systems.Episode sponsored by Grand Seiko.

Karenna Gore, the director of the Center for Earth Ethics at Union Theological Seminary, talks with us about spirituality as an outlet for humility, why we’re in a “species-wide identity crisis,” and how the paths forward we choose now about the climate crisis are ultimately about human survival.Episode sponsored by Grand Seiko.

Dr. Tara Stoinski, the CEO and chief scientific officer of the Dian Fossey Gorilla Fund, speaks with us about working with MASS Design Group on her organization’s new Ellen DeGeneres Campus in Rwanda, how mountain gorillas have become a conservation “success story,” and why her work with gorillas can serve as model for conservation efforts elsewhere.Episode sponsored by Grand Seiko.

Photographer and poet John Mack, founder of the nonprofit Life Calling Initiative, discusses our online and offline realities; why and how humanity is going through a “metaphysical migration”; and despite our current technological ease and efficiency, the deep human desire for non-virtual experiences.Episode sponsored by Grand Seiko.

A.I. ethics and technology inclusion advisor, researcher, and scholar Elizabeth Adams talks with us about how organizations should be thinking about A.I. ethics guidelines, her qualitative approach to A.I. research, and establishing coalitions around public oversight of surveillance technology.Episode sponsored by Grand Seiko.