Friday, 8 p.m. - Join the living legend for a musical journey through the people and places that shaped her career.

Remembering Dolly Parton, whose artistry and generosity touched generations

Tonight, 10 p.m. - Extreme heat is the deadliest climate disaster. Scientists in Phoenix and Sydney race to adapt.

Tonight, 10 p.m. - A former mobster hunter turned mayor bets his fading city’s future on offshore wind.

Celebrate the life and career of Pulitzer Prize-winning poet Mary Oliver.

Two Nairobi women transform what was a whites-only library until 1958 into a vibrant cultural hub.

Next steps for the Colorado River. Getting help for Test Site workers. Elvis fashion.