 The decision from the Mozambique authorities came after researchers discovered dozens of new species living in the forest, and it's part of a global biodiversity commitment that almost all countries have made to protect 30% of the world's land and sea by 2030. Our environment correspondent, Jonah Fisher, has just come back from the latest expedition to Mabu Forest. Welcome to Eden. Welcome to the centre of Mabu Forest. This is about as good as it gets.