Costing the Earth Episodes Available now
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Britain Rules the Waves
Can Britain save the oceans by protecting its overseas territories? Tom Heap reports.
Sounds of the Seas
How noisy is the underwater environment? Tom Heap dips beneath the surface to find out.
Electric Island
Tom Heap visits the Scottish island that can power itself.
The Ozone Hole Thirty Years On
Peter Gibbs finds out if the ozone layer hole is healing 30 years on from its discovery.
Britain's Environment: The Debate
How will the next government tackle Britain's environmental problems? Tom Heap reports.
China's Water Revolution
China needs more water urgently. Isabel Hilton examines the nation's options.
Eco-Cities
Tom Heap investigates whether eco-cities are living up to their promise.
Cycle City
Tom Heap saddles up to find out if Britain is really about to become a nation of cyclists.
Reds Return
Could the revival of the pine marten be bad news for grey squirrels and good for the reds?
Climate Change: Inconvenient Facts?
With Antarctic sea ice growing, Tom Heap asks what is happening to the climate.
