Toxic algae has killed hundreds of thousands of animals, fish and birds. Most of the locals blame the fishing industry, saying the algae is caused by the huge amounts of waste that are thrown into the sea. Thousands of fishermen now face bankruptcy.
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.
Speaking in front of thousands of indigenous people Pope Francis decried the reckless destruction of rainforests by mining. Later, with Peru's president and other leaders, he warned of another scourge: corruption.
A plague of algae is washing up on beaches in Brittany. Experts say only a drastic cut in nitrate fertilizer use will get rid of it, but farmers are reluctant to ditch the chemicals.
The milk farmers in Chile's idyllic Los Lagos region are running out of money. They have to spend too much on water and energy. Advised by the "Smart Energy Concepts" initiative, they want to increase efficiency.
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