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Sun power

Duration: 04:31

Marty Jopson teaches the community how to make their own solar air heater from a few empty drinks cans and some black paint.

Available since: Wed 4 Sep 2013

This clip is from

The Great Big Energy Saving Challenge

Residents of Stonehaven are challenged to cut their energy usage by 30% in three weeks.

First broadcast: 31 Oct 2013

Image for The Great Big Energy Saving Challenge Not currently available on BBC iPlayer

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