Nigeria's farmers are facing increasing challenges, including from climate change. Nnaemeka Ikegwuonu founded Smallholder Farmers Rural Radio to help and teach them sustainable farming techniques.
Farmers around the Peruvian city of Iquitos usually burn parts of the Amazon rainforest so they can grow food in the fertile soil. Now, they're finding alternatives to the destructive practice.
Huge areas of tropical rainforest are being destroyed to make charcoal for barbecues. The global deforestation is leading to growing problems. Nigeria and the DRC Congo are also affected.
Climate change is hitting Spain harder than most other European nations. Drinking water is scarce and beaches are receding. There's a danger that tourism in the country will suffer a major setback in the decades to come.
On this week's Eco Africa we investigate getting rid of plastic bottles, teaching kids in Ghana the value of separating waste and the possibility that there really may be a sustainable mobile phone.
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