Welsh village turns hills and rivers into green cash

It's a modern day dilemma -- how to produce energy without polluting the environment. In the heart of Wales' Brecon Beacons national park, one community is showing the way forward. After reviving an old hydraulic turbine, a village is now earning money...

It's a modern day dilemma -- how to produce energy without polluting the environment.

In the heart of Wales' Brecon Beacons national park, one community is showing the way forward.

After reviving an old hydraulic turbine, a village is now earning money from its rivers and reinvesting surplus cash in other green projects.

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