Catalyst: Aging infrastructure

“Catalyst” explores the aging infrastructure of Los Angeles and why an Arizona State University professor says there may be lessons we can learn for the future of the Valley.

Sponsor message:

In this segment:

Mikhail Chester, Ph.D.

Sponsor message:

Sign up to receive the Arizona PBS Insider

Get up-to-the-minute information about your favorite programs and learn more about Arizona PBS news and events.

'Frontline' examines more controversial newsmakers this fall

“Frontline” investigates the controversial stories shaping our times, from criminal justice to politics to global issues.

Elemental: Covering Sustainability

Elemental: Covering Sustainability is a multimedia collaboration covering urbanization, climate change, water and renewable energy.

'Poldark' returns for a fourth season

Poldark, season 4

"Poldark" returns to Masterpiece for a fourth season Sunday nights at 8 p.m. beginning Sept. 30 on Arizona PBS.