Duration: 01:43

The effect of carbon emissions on global warming has prompted governments to look for alternative, cleaner energy sources instead of fossil fuels. Now the world's first zero-emission polar research station has opened in Antarctica.

Duration: 01:56

Blustery Britain is the world's biggest producer of electricity from wind power out at sea, with the largest wind farm site off Skegness.

Duration: 01:39

The process of decommissioning the Dungeness 'A' nuclear power station is discussed.

Duration: 01:15

Domestic wind turbines have been found to produce only fractional amounts of power.

Duration: 00:34

An explanation of the process by which electricity is generated and transmitted to our homes, including a discussion about efficient transmission.

Duration: 06:11

A practical demonstration of a Wimshurst machine being used to generate high voltages.

Duration: 04:58

A laboratory demonstration shows how static charges can be built up and discharged through lightning.

Duration: 02:04

An explanation of hydrogen fuel cells and their advantages over fossil fuels.

Duration: 03:14

An infrared antenna array that can convert infrared energy to electricity, even on cloudy days and at night.

Duration: 02:28

A survey of renewable energy projects in Northern Ireland. A lack of government subsidies is hindering wind power and tidal power has so far been neglected.

Duration: 03:20

Jim Al-Khalili explains how both lightning and the aurora are formed by using a Wimshurst machine to conduct three quarters of a million volts through his body.

Duration: 01:56

Jim Al Khalili explains how in 1891, Nikola Tesla used a Tesla coil to pass three quarters of a million volts at high frequency through his own body.

Duration: 00:49

Solar panels are being installed on top of the papal audience hall at Vatican City. This will provide power to light, heat and cool the building.

Duration: 01:32

Methane gas from organic waste can be used to generate electricity.

Duration: 01:34

A dozen schools in Okehampton have secured £250,000 for a project to generate their power from renewable sources.

Duration: 01:28

The proportions of the UK's electrical energy provided by different sources and focuses on the capacity for wind to provide 20%.

Duration: 05:00

The limitations of wind turbines to generate a large proportion of the UK's electricity.

Duration: 03:46

How sites for onshore wind farms are selected showing how the RSPB work to minimise their impact.

Duration: 02:01

Residents near Lincolnshire's newest wind farm have been reassured by manufacturers that it is safe following unexplained damage to a wind turbine.