Costing the Earth

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Putting the Fizz Back into Planet Earth Nov 08, 2016

Show notes

Can we find a use for all that pesky climate-changing carbon dioxide? If we can turn excess CO2 into something useful we might just be able to slow down the rate of global warming. It's a dream shared by lots of scientists, inventors and entrepreneurs.

At the ACI Carbon Utilisation conference in Lyon, Tom meets the Germans turning CO2 into a fuel and the French researchers aiming to mimic nature's photosynthesis process. In Oxford he talks to a company making fertiliser from waste and a chemist creating innovative plastics whilst in Avonmouth he sees CO2 transformed into concrete blocks that are already being used in house building around the country.

Producer: Alasdair Cross.

Nuclear Futures Nov 01, 2016

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Our nuclear power stations are being pushed to run well past their planned life-span. Matthew Hill asks if this is putting us all in danger.

Producer: Alasdair Cross.

Forests of the Orangutan Oct 25, 2016

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Some of the last refuges of the Orangutan are under threat. As food manufacturers demand more palm oil for their processed products so the pressure grows on the forests of Indonesia which contain some the last of the Orangutan and some of the world's densest reserves of carbon-capturing peat. Peter Hadfield travels to Borneo to witness the forest being cleared and the peat being destroyed.

Producer: Alasdair Cross.

The British Countryside after Brexit Oct 18, 2016

Show notes

Tom Heap hears four radical visions for the future of the British countryside after Brexit. He's joined by Baroness Young, Chair of the Woodland Trust and former head of the Environment Agency and the RSPB, the writer and Guardian columnist George Monbiot, economist Michael Liebreich and by Welsh hill farmer Gareth Wyn Jones.

Can they come up with a plan for the British landscape once the Common Agricultural Policy and European environmental legislation are consigned to history?

Producer: Martin Poyntz-Roberts.

Wildlife-Friendly Motorways Oct 11, 2016

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Motorways kill animals. That's unavoidable. But can road builders minimise the death toll with badger tunnels, bat flyovers, and green bridges covered in plants rather than tarmac? Tom Heap travels to the Gwent Levels and the Netherlands to find out.

Producer: Sarah Swadling.

Spiritual Greens Oct 04, 2016

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Tom Heap drops in on the 50th anniversary celebrations of the green magazine Resurgence. With its origins in the peace movement, the magazine has championed the spiritual side of the ecological movement. Tom talks to some of its most famous contributors - and their critics - to take stock of what the last half century of green activism has - and hasn't - achieved.

Producer: Chris Ledgard.

The Growing Season Sep 27, 2016

Show notes

The Met Office recently issued a report which states that the growing season in the UK is now one month longer than it was in the 1960's. Keen gardeners may notice that spring bulbs are coming up much earlier and that fruit like apples are flowering sooner in the year whilst some farmers can now bring in their harvest before the end of the summer. Peter Gibbs discovers that whilst there are opportunities for growers in more Northerly latitudes rapid changes globally may put yields of vital crops at risk. The UK's gardeners, crop scientists and farmers are not simply sitting back and admitting defeat though. A changing climate is a challenge which many growers are busy preparing for.

Producer: Helen Lennard.

Fruits of the Forest Sep 21, 2016

Show notes

Can the growing of fashionable super fruits save the Amazon rain forest? Peter Hadfield meets the native farmers finding ways to profit from the forest without chopping it down.

In the dark days of the 1980s vast tracts of the Amazon disappeared every year, the trees sold for furniture production and the naked land converted into cattle pasture. International campaigns and the brave struggle of local activists eventually led to reserves being set up in which native people could harvest forest nuts, herbs and fruits without cutting down the trees.

The fruits of the forest such as acai berries, cacao and passion fruit have proven such a hit with healthy eating enthusiasts that the business is booming, attracting the attention of big international food companies. Could the reserves turn out to be a victim of their own success? Could the forest's natural bounty be over-exploited? Peter Hadfield travels along the Amazon to meet the local people trying to balance their livelihood with the health of the forest.

Producer: Alasdair Cross.

Cities Without Cars Sep 14, 2016

Show notes

The battle in big cities continues: how do you keep cars out to cut congestion and reduce pollution? Chris Ledgard visits Paris and Barcelona to explore two different approaches. In Paris, the mayor's office wants to ban the most polluting cars, and coloured stickers are being introduced to help the authorities determine which vehicles can enter the city centre. Meanwhile, more and more Paris residents are turning to the electric car-sharing scheme, Autolib. We hear how it works. In Barcelona, urban ecologists are adapting the famous grid system designed by Ildefons Cerda to create 'superblocks' - large traffic-free spaces across the city where the sound of traffic is only distantly heard. Chris talks to the scheme's inventor, Salvador Rueda, and hears about his vision for Spain's second biggest city.

Producer: Chris Ledgard.

Big Oil Big Trouble Sep 06, 2016

Show notes

The big oil companies are the pantomime villains of the global warming debate. They've been accused of everything from climate change denial to commercial incompetence in a rapidly changing world. Campaigners attack their boardroom practices and push pension funds and universities to withdraw their investments.

Tom Heap examines the reactions of the likes of Exxon, Shell, BP and Total to the mounting evidence of man-made climate change. How much did they know? How much did they lobby against meaningful action? He meets Lord Browne, the former head of BP who famously rebranded his company as 'Beyond Petroleum' to find out why the rest of the industry failed to join his campaign to cut emissions and invest in renewable energy.

Tom and Lord Browne also discuss the changing rhetoric since the signing of the 2015 Paris climate change agreement. With fresh commitments to alternative fuels could the oil companies finally turn themselves from the villain to the principal boy, using their engineering expertise to halt the planet's changing climate?

Producer: Alasdair Cross.

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