Much of the world used to be covered with trees. But most of the world's ancient forests have been cut down.
Whether through clearing of land for agriculture, legal or illegal logging, or expansion of human living spaces - deforestation has had a broad impact on our planet. Many human populations and animal species depend on forests, while the trees themselves have even become threatened or endangered.
Building with wood is often associated with deforestation. But it's becoming an increasingly popular material used for sustainable building projects — if it's sourced from forests where the wood extracted equals wood replaced. We explore a sustainable wood building project in the heart of Germany to discover what's behind the appeal.
To meet renewable energy targets by 2020, European countries have rediscovered wood as a fuel. But conservationists fear this new hunger for biomass could have disastrous consequences — like deforestation. But is burning wood for fuel always bad? DW visits an award-winning, model biomass facility in Germany to find out.