electricity

'The Dawn Commute' by Jonathon LittleJohn

Campaigning for cheaper solar power

Stephanie Wallis
| 29th July 2009
Feed-in Tariffs for renewables are what the UK needs to make home-grown energy more attractive. We look at what the 'We Support Solar' coalition is doing to bring about a change, and take a look at the group's new photography competition...

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Taking your spare room off-grid

Nick Rosen
| 11th April 2008
So you want to go off-grid? Or maybe you want to find out what it’s like before taking the plunge? How about taking one room of your house off grid? It’s a less expensive way of learning the technology, before committing yourself.

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Power On - Solar Power

Jon Hughes
Mark Anslow
| 1st November 2007
Every year, each square metre of the UK receives between 900 and 1200 kWh of solar radiation. Capturing just some of this energy could make a significant contribution to fulfilling our energy requirements.

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Power On - Tidal Power

Jon Hughes
Mark Anslow
| 1st November 2007
The potential for the use of tidal power in the UK is enormous, amounting to, at the very least, 20 per cent of our electricity needs.

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Power On - Hydrogen

Jon Hughes
Mark Anslow
| 1st November 2007
There is much talk of the possibility of a future ‘hydrogen economy’, which will power all our vehicles and homes. It is important to remember that hydrogen is not an energy source; it is an energy carrier. To obtain hydrogen it must be split from either natural gas or water molecules. The former, most widely used, method not only requires energy but also gives off carbon dioxide (CO2) in the process. Hydrogen produced in this way requires more energy to make than will eventually be returned when it is used. It makes more sense from a climate perspective to burn the natural gas itself than to convert and re-convert it to hydrogen in this way.

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Power On - Energy from Waste

Jon Hughes
Mark Anslow
| 1st November 2007
Each year, UK livestock produce some 60 million tonnes of collectable faeces. If left to run into water-courses or even spread on fields, this waste can lead to the same problems associated with excessive fertiliser use – algal blooms and aquatic life starved of oxygen.

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Nuclear power can’t take the heat

21st May 2007
Future nuclear power plants, which are to be given the green light in the Government’s Energy White Paper later this week, will be forced to reduce their output as temperatures rise as a result of climate change, the International Herald Tribune has reported.

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Blackout Britain

Mark Townsend
| 1st June 2004
Within two years, Britain could be facing a series of blackouts and the ignomony of importing the resource it once considered so plentiful from a host of politically unstable countries.

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Investigations

Wind turbines debate

Alison Hill
Alison Hill
| 1st March 2004
Do wind turbines provide an affordable means of harnessing a limitless source of clean power, or are they inefficient blots on the landscape that devastate birdlife and are more likely to exacerbate than reduce CO2 emissions?

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Damned Nation

Mark Lynas
| 1st December 2003
Costing over $1 billion, the Karahnjukar hydroelectric dam in Iceland is a hugely controversial project. Mark Lynas journeyed to the blasting face, hoping to work out for himself whether this industrial elephant is green or brilliant-white.

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