Smoky skies, hiking the Oregon desert, wolves, tightening an air pollution standard, Aristotle, and the gospel of GDP

The Taj Mahal, forests in the US and Austria, an ecologist's lunch with coal executives, and a speech by Margaret Thatcher

The Brazilian Amazon forest and the Cristalino River take us on an unforgettable journey, while the violence of history and politics of the present shadow our steps

The most polluted city on earth, seeing Brazil's forests from many angles, the US government and Brazil's military coup, and George Santos's shoes

An historic African American school and a proposed mega-landfill, what happens when landfill protections fail, the proximity principle, and a fierce battle over clean air in Los Angeles

Water wars in the American West, US Supreme Court cases on climate change, and state-level renewable energy achievements

The US's messy political system, the states, and a butterfly that affected the course of US climate politics

Stories of abundance that fall short, and the disconnect between well being and economic growth

August surprise: Why the US climate and renewable energy policy window slammed open now

Season 3's finale highlights common themes from places visited in the US, Ukraine, Panama, Kenya, and Brazil