Scotland has a new Food Security Unit - which the government says will 'monitor food system resilience'. The unit was reccomended by a food security and supply task force which the Scottish government set up with the food industry immediately after Russia's invasion of Ukraine. Farmers from around the world are meeting in South Africa this week for the World Farmers Organisation General Assembly - they'll discuss international trade, farmer driven innovation and climate change - amongst other things. All week we'll take a look a some of the issues farmers in other countries are facing. As many keen gardeners and indeed farmers will tell you seeds grown locally are best suited to the local as they're used to the exact conditions. A group of growers in West wales are championing seeds with links to Wales - we visit the Wales Seed Hub. Presenter = Charlotte Smith Producer = Rebecca Rooney