Rachel Nania, wtop.com

WASHINGTON – It’s something that’s enjoyed for taste and it’s something that’s required to survive. It’s found in the ground, on trees, on shelves, in homes and in retail settings throughout the world. It defines cultures, helps to run vehicles and even influences national security decisions. It’s food, and its future is up for discussion.

“We face an enormous challenge in terms of sustainability of human kind,” said U.S. Secretary of Agriculture Tom Vilsack at a Washington Post Live forum this week on the sustainability of the world’s food system.

The forum with private and public industry experts discussed a range of issues related to sustainability, including food production, to food technology, access to food and the health implications associated with food.

“We’re going to continue to see a growing world population