Gilbert Adum has fallen head over heels for the giant squeaker frog. The Ghanaian biologist rediscovered the species, which was long considered extinct in the region. Now he's dedicated himself to saving the amphibians.
Cocoa farming is the first step in making the world's most popular sweet treat: chocolate. But in one top cocoa producing nation, yields have been plummeting for years. What can be done to boost production in Ghana?
This week on eco@africa, we have stories about a green car wash in Cameroon, a powerful cotton wool that could clean up oil spills and a self-charging bike. And we go in search of a rare frog.
The African Development Bank has proposed developing the continent's 400 million hectares of cultivatable savanna lands, but guest writers Sam Dindi and Esther Ngumbi explain the potential environmental impact.
Researchers and their institutions should set a good low-carbon example to their communities, says Katharine Hayhoe, director of climate science at Texas Tech University.
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