Catalyst: How seed libraries are protecting our food

A majority of the world’s food supply comes from just 12 different kinds of plants. A catastrophic global event could wipe out a country’s food supply. But there is a backup plan.

“Catalyst” explores the connection between seed sharing, community gardens and food consumption.

Sponsor message:

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.

Relive the iconic royal wedding of Queen Victoria & Prince Albert

Enjoy a re-creation of the wedding that changed British matrimonial ceremonies forever, in this two-part program airing Jan. 13 and Jan. 20 at 9 p.m.

Watch new episodes of ‘Plate & Pour’ every Thursday at 7 p.m.

Join Mark Tarbell as he takes you inside some of the most interesting places to eat.

'Nova' returns this winter with new episodes Wednesday nights

From volcanoes to space exploration, "Nova" explores our world every Wednesday at 8 p.m. on Arizona PBS.