How power's various disguises shaped efforts to reduce coal pollution in the US state of Virginia, and the implications of those lessons for the coronavirus.

Harry Potter, community trust, fine particle pollution, and race

Earth Day's 50th birthday, the coronavirus, Pogo, and Dr. Jane Goodall

A memorable landlord, a summary of lessons from previous episodes, and how the ideological rifts in the US could affect the climate change policy window.

Bad housemates, the global commons, national policy reversals in the US, what the public is thinking, and bipartisan action at the state level.

Disappearing birds and oaks, disputes over the Endangered Species Act, the comeback of the endangered Sierra Nevada bighorn sheep, and climate change's threats to coral reefs and tropical forests.

Energy efficiency and renewables are unquestionably the waves of the present and future. But we must keep our eyes wide open to collateral impacts.

Twists and turns in the US's dependence on coal, the ripple effects of oil crises, and a coal miner's daughter describes the devastation in her community.

Forests, the Panama Canal, hydropower in Brazil, and the US's dam building frenzy in the 20th century.

A stop sign with bullet holes, garbage wars, environmental justice, and Japan's proximity principle.