An energy cooperative gives solar-powered water heaters to a village in Georgia. This should reduce deforestation, because locals traditionally burn wood for heating.
In Germany, villages and towns are leading the pack in the climate change fight. One motivated mayor has set up a store stocked with regional produce to help cut emissions. But going local isn't as easy as it sounds.
Renewable technology is bringing light into the lives of Kalunga people, descendants of slaves living in remote communities in Brazil. Now, solar powered lamps made from recycled bottles are extending their evenings.
Health warnings for smokers have never been clearer. But what about the health of the planet? Cigarette butts are the most common item of single-use plastic waste in the world — and that's only one piece of the puzzle.
We've all heard of wind and solar power, but what about things like piezoelectricity or carbon capture? Researchers are always looking for new clean solutions in the hope that one or other of them will go mainstream.
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