Costing the Earth Episodes Available now
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The Price of Cheap Oil
Tom Heap asks what the falling price of oil means for the environment.
Lava: A Dangerous Game
Tom Heap meets the scientists trying to lessen the impact of volcanic eruptions.
Greening the Green Belt
Tom Heap asks if the green belt surrounding UK cities is really green or pleasant.
Hunting the Beefalo
Tom Heap goes in search of the hybrid beefalo, which is damaging the Grand Canyon.
Bristol: Green Capital?
Bristol is Europe's Green Capital for 2015. Tom Heap finds out what that means.
The Ice in Iceland
Iceland is warming faster than most countries. Tom Heap finds out why.
Taming Australia
Australia has big plans to develop the Northern Territory. Julian Rush reports.
Arctic Future
The melting sea ice of the Arctic creates opportunities and threats. Tom Heap reports.
Where Have All the Flowers Gone?
Tom Heap investigates the theft and smuggling of rare flowers and its impact.
Making a Splash
Tom Heap meets a man who can turn dirty water into clean, drinkable water.
