In Peru, pre-Columbian canals offer hope against drought

In the mountains of western Peru, a farming community is restoring a network of stone canals built more than a millennium ago, hoping the pre-Columbian technology holds the solution to its water problems.

Designing new ways to make use of ocean plastic

Beachcombing has long been a part of life for island communities. On the southwestern edge of Scarp, a small, treeless island off the coast of Harris in Scotland's Outer Hebrides, the Mol Mòr ("big beach") was where locals ...

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