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The Compass Living on the Edge Episodes Available now
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![](https://ichef.bbci.co.uk/images/ic/320x180/p064yd32.jpg)
Dams
4/4 Meet the communities living in the shadow of hydro-electric dams
![](https://ichef.bbci.co.uk/images/ic/320x180/p064lhsz.jpg)
Glaciers
3/4 Fresh ideas to stop the damage caused by melting glaciers
![](https://ichef.bbci.co.uk/images/ic/320x180/p063s821.jpg)
Encroaching Deserts
2/4 Yin Yuzhen has planted a million trees in 70,000 hectares of desert
![](https://ichef.bbci.co.uk/images/ic/320x180/p062qsy5.jpg)
Sea Levels Rise
1/4 Moving on from uninhabitable land and building state-of-the-art sea defences