If you haven't tried a meatless burger yet, scarcity won't be an excuse much longer. Plant-based meat is exploding in popularity. So what's causing companies and consumers alike to think twice about the ubiquitous beef patty? A changing climate and swelling global population add up to grave concerns about our increasingly precarious food system. Hear from experts at the Aspen Ideas Festival.

How will we eat in a hotter, more crowded world? The race to reinvent the global food system is on, and innovative solutions are already being served up. Meat produced from animal cells is one solution, says CEO of Memphis Meats Uma Valeti. Listen to the podcast to hear about new methods of food production.

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"The most important foods for us are what I call foods that give rise to life. Foods that you can plant in the ground and in the harshest of conditions, will nurture a young plant to life. That’s what our bodies need with aging, and so beans, nuts, seeds, fruits, whole grains, and vegetables." — Dariush Mozaffarian, cardiologist and professor of medicine

Watch Food, the Elixir of Life featuring Dariush Mozaffarian.