In order to meet the huge demand for the traditional remedies known as ‘muti’, plants in South Africa are being harvested on a scale that is no longer sustainable. The pepper-bark tree, for example, is widely used, even though it is endangered.
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?
Elephant numbers in South Africa's Kruger National Park are rising — which is good news. But the prominent pachyderms are destroying habitat for other animals. Can the tiny bee provide a last line of defense?
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