German researcher Andreas Hemp discovered the 81-meter tree on the slopes of Mount Kilimanjaro 20 years ago. Now he's fighting to save it from the illegal logging rampant across the mountain.
On this week's eco@africa, we check out an innovative net that harvests water from fog, visit one of the largest ape conservation projects in Africa, and meet an eco hero trying to save Nigeria's wildlife.
On this week's eco@africa, we look at reforestation efforts in Nigeria, learn about environmentally friendly aqua farming and see why shea trees are more valuable kept alive than used as charcoal in Burkina Faso.
On this week's eco@africa, we explore a Kenyan car park that produces solar energy, look at how one German city is tackling disposable coffee cup culture and hear some spicy news from Zanzibar.
Bright-red Lake Natron in Tanzania may not look inviting enough to take a dip – and that's a good thing: its water is extremely alkaline. The caustic lake has another strange quality: it appears to turn animals to stone.
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