Peru's coast is home to a large population of giant manta rays, spanning as much as 7 meters. Peruvian conservationist Kerstin Forsberg has managed to get them classified as a protected species and is trying to persuade fishermen not to catch them.
The Caribbean coast is awash with tons of foul-smelling seaweed, causing problems for the environment and tourism. Could a protective barrier in the sea help? It's one of the solutions being proposed.
African healers use the pepper bark tree to fight everything from cancer to colds. But its medicinal properties mean it's also under threat from poachers. Can conservationists find the right remedy to protect it?
The Hagenbeck school in Berlin offers a unique formula for learning. In an effort to teach students the importance of species and ecosystems, every subject has a connection to biodiversity.
One of the largest populations of giant manta rays in the world lives off the northern coast of Peru. Kerstin Forsberg wants to protect them - with the help of the local fishermen.
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