Trees are all around the world - they provide shelter, food and wood.
Forests also play a crucial role in absorbing carbon dioxide and thus regulating the global climate. People have already deforested large swaths of the world, with consequences for ecosystems, plants and animals, and even humans themselves.
Wisent reintroduction experts have been urged by Germany's top civil court to find a solution in their row with forest-owners. Angered by bark grazing, plaintiffs want Germany's only wild bison removed from their woods.
From a small amphibian with miraculous regeneration properties, to wild animals wandering the streets of Nairobi — and even the healing powers of our forests. We take a closer look at the weird and wonderful life that calls our planet home, and ask some hard questions about the future of the planet's biodiversity.
Forest therapy or "forest bathing" began in Japan about 30 years ago. It's all about slowing down, engaging the senses and tuning in to your surroundings. Now, this natural stress-reducing method is being practiced all around the world. Sian Griffiths ventured into the Canadian woods to explore the benefits for herself.