In this episode we examine the intertwined crises of climate change, biodiversity loss, water, food, and human health. Drawing on the IPBES Nexus Assessment and the Planetary Health Check, the discussion argues that these are not isolated problems . . .

In this episode we examine the catastrophic ice-and-rock avalanche and flash flooding that struck the Nepal–Tibet border region. The discussion traces how a collapse on Langtang Lirung sent immense volumes of ice, rock, and debris into steep Himalayan valleys . . .

In this episode we examine James Hansen’s analysis of a developing El Niño against the backdrop of a rapidly warming planet. We discuss Hansen’s warning that global warming may be accelerating as Earth absorbs more energy . . .

In this episode we speak with Tom Chi—physicist, engineer, former Google X leader, climate-tech investor, and author of Climate Capital. Chi describes witnessing the rapid bleaching and collapse of a Hawaiian coral reef, an experience that redirected his work toward . . .

In this episode we talk with Clare Farrell, co-founder of Extinction Rebellion. Clare reflects on XR’s origins, its rapid international rise, and how nonviolent direct action brought the reality and urgency of climate breakdown into mainstream public discussion.

Wildfires are entering a dangerous new phase. In this episode Madrid-based guest Alfonso Soria joins our regular panel to examine the intensifying wildfire crises affecting Europe, North America, and the boreal North.

Learn about what it's like at the bottom of the world with Antarctic facilities engineer and climate restoration advocate Ray Sundby, who spent four winters at McMurdo Station . . .

In this episode we introduce the Climate Intervention Environmental Impact Fund (CIEIF), a unique family-funded initiative that supports climate intervention field tests by financing rigorous . . .

Herb Simmens speaks with climate scientist Dr. Ken Caldeira at the first Climate Systems Engineering Conference at the University of Chicago. Caldeira reflects on his pioneering role in solar geoengineering . . .

In this episode we examine North America’s extraordinary early‑summer heat, floods, fires, and cascading impacts.