Over one-third of greenhouse-gas emissions come from food production. For a greener future, this urgently needs to change. What’s the future of food in a more sustainable world? Our experts answer your questions.

Video timeline: 00:00 – Food’s environmental impact 00:44 – Why it’s important to make food sustainable 01:34 – Will everyone have to give up meat? 02:13 – Can lab-grown meat be scaled up? 03:32 – Could nutrients and vitamins be added to new foods? 04:52 – Will insects become a new staple food? 05:35 – Why small-scale farming isn’t the main solution 06:51 – Is vertical farming more sustainable? 07:36 – Will consumers accept new foods?