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Transforming the global food system is vital in the fight against climate change. Currently, food production accounts for a third of all greenhouse gas emissions. At the same time, the food system also fails to properly nourish billions of people worldwide.

In this edition of People Fixing The World we’re looking at high and low tech solutions to transform the ways we produce and consume food to make it greener and more equitable.

In London, we visit a startup company making cheese from genetically modified microbes rather than cattle, in a bid to make dairy production better for the planet.

And in Philadelphia we look at how planting fruit and nut trees in ‘food forests’ is tackling hunger by providing access to healthy, nutritious food for low-income communities across the city.

Presenter: Myra Anubi
Reporter/producer: Zoe Gelber
Series producer: Jon Bithrey
Editor: Tom Bigwood
Sound mix: Frank McWeeny