Catalyst: Improved crops could lead to cleaner oceans

How can changing the root systems of our crops improve the health of the world’s oceans? “Catalyst” finds one Arizona State University scientist has discovered that stronger roots may be part of the answer.

Sponsor message:

In this segment:

Roberto Gaxiola

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.

'Great Performances' highlights opera trailblazer Birgit Nilsson

Great Performances "Birgit Nilsson"

On Sunday, March 31, at 2 p.m., celebrate the life of Swedish soprano Birgit Nilsson, the face of opera from the 1950s-70s.

Enjoy a portrait of Prince Charles before his 70th birthday

Prince Charles at 70

From his charitable work to his family life, see Britain’s longest-serving heir to the throne as never before on Sunday, March 24, at 7 p.m.

Celebrate Women's History Month with Arizona PBS

Enjoy a wide variety of Arizona PBS programming in March as we honor a handful of the countless American women who've blazed trails, inspired change and shaped a better world.