Costing the Earth Episodes Available now
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The Urban Farmers
Alice Roberts finds urban wasteland being transformed into productive agricultural sites.
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Exotic Pets
Miranda Krestovnikoff asks if the trade in pet reptiles and amphibians should be banned.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01j3wc3.jpg)
Green Babies
Alice Roberts asks if a UK baby boom could damage the planet.
![](https://ichef.bbci.co.uk/images/ic/320x180/p0c1bkfg.jpg)
The House That Heats Itself
Miranda Krestovnikoff looks at new building materials for eco-friendly homes.
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Electrifying Africa: Beyond the Grid
Solar lamps are lighting parts of Africa the grid cannot reach. Tom Heap investigates.
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Electrifying Africa: The Power Beneath
A geothermal revolution is set to electrify Africa. Tom Heap visits Kenya's Rift Valley.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01j2qyx.jpg)
Dash for Ash
UK landfills are full. Should we create energy from our waste? Tom Heap investigates.
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When Nettles Attack!
The British landscape is being choked by familiar enemies. Tom Heap investigates.
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Robot Farmers
How satellite technology and advances in robotics may revolutionise the future of farming.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01j1z7y.jpg)
Berlin's Big Gamble
Can Germany produce all its power from green energy? Tom Heap investigates.