Peatlands store twice as much carbon dioxide as all the world's forests put together, but when they're drained they release huge amounts of greenhouse gases and are a great fire hazard. An NGO is trying to rehydrate peatlands.

More from this edition of Global 3000: http://www.dw.com/en/global-3000-the-globalization-program-2016-06-20/e-19300810-9798