To counteract the soil erosion impact of Senegal's monocultures, organic farmer Ibrahima Seck started farming cooperatives to cultivate different species. His idea turned out to be a model for a whole region.
Thousands of "fairy circles" stretch out across the Namib Desert. But what's behind the vast polka-dot pattern? Scientists are at odds.
A deadly fungus wiping out fire salamander populations across Europe has expanded in Germany. Researchers warn the amphibian could be decimated.
Microplastics aren't just fouling the world's oceans - invisible plastic fibers are polluting drinking water tapped by millions of people. Where do these fibers come from, and how bad are they for human health?
It's scarce, unevenly distributed and causes mass migration - here are some facts about our drinking water.
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