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| Version 3 | Version 4 |
|---|---|
| Lights out as UK marks Earth Hour | Lights out as UK marks Earth Hour |
| (about 5 hours later) | |
| Several UK landmarks have been plunged into darkness as part of a global climate change campaign. | Several UK landmarks have been plunged into darkness as part of a global climate change campaign. |
| The London Eye, the Gherkin, and the BT Tower were among those which took part in WWF's Earth Hour at 2030 GMT. | The London Eye, the Gherkin, and the BT Tower were among those which took part in WWF's Earth Hour at 2030 GMT. |
| The environmental group hoped millions of people around the world would switch off lights. It expected cities in more than 80 countries to take part. | The environmental group hoped millions of people around the world would switch off lights. It expected cities in more than 80 countries to take part. |
| WWF wanted the "visual statement" to show world leaders the need for "urgent action to tackle climate change". | WWF wanted the "visual statement" to show world leaders the need for "urgent action to tackle climate change". |
| The organisation hoped public support would convince governments across the world to agree to take action when they meet at the UN Climate Summit in Copenhagen in December. | The organisation hoped public support would convince governments across the world to agree to take action when they meet at the UN Climate Summit in Copenhagen in December. |
| Lights go off in cities around the world | Lights go off in cities around the world |
| Earth Hour started in 2007 in Sydney, Australia, when 2.2 million homes and businesses turned their lights off for one hour. | Earth Hour started in 2007 in Sydney, Australia, when 2.2 million homes and businesses turned their lights off for one hour. |
| WWF expected 2,800 cities and towns across the world to support the event. | WWF expected 2,800 cities and towns across the world to support the event. |
| In the UK the event coincided with the beginning of British Summer Time which started in the early hours of Sunday, with clocks going forward. | |
| Colin Butfield, campaign director for WWF, said a number of "iconic landmarks" such as Buckingham Palace, the Gherkin, the Houses of Parliament, Tower Bridge and the London Eye were plunged into darkness for an hour to mark the event. | Colin Butfield, campaign director for WWF, said a number of "iconic landmarks" such as Buckingham Palace, the Gherkin, the Houses of Parliament, Tower Bridge and the London Eye were plunged into darkness for an hour to mark the event. |
| He said: "We are hoping it will be quite a positive experience. People are embracing it in all kinds of different ways." | He said: "We are hoping it will be quite a positive experience. People are embracing it in all kinds of different ways." |
| The Houses of Parliament were also plunged into darkness | The Houses of Parliament were also plunged into darkness |
| Mr Butfield said the hope was that Earth Hour would encourage people to "think a little bit differently about climate change". | Mr Butfield said the hope was that Earth Hour would encourage people to "think a little bit differently about climate change". |
| WWF stressed that areas where lighting was a health and safety issue would not be plunged into darkness. | WWF stressed that areas where lighting was a health and safety issue would not be plunged into darkness. |
| Meanwhile, G20 activists have warned companies in the financial sector they will shut down electricity supplies themselves unless the lights go out. | Meanwhile, G20 activists have warned companies in the financial sector they will shut down electricity supplies themselves unless the lights go out. |
| In Scotland, 19 local authorities, 200 schools and more than 100 businesses and organisations agreed to take part. | In Scotland, 19 local authorities, 200 schools and more than 100 businesses and organisations agreed to take part. |
| Landmarks such as Eilean Donan Castle, Inverness Castle, Stirling Castle and Glasgow's Clyde Arc [Squinty bridge] and Armadillo were in darkness as part of the campaign. | Landmarks such as Eilean Donan Castle, Inverness Castle, Stirling Castle and Glasgow's Clyde Arc [Squinty bridge] and Armadillo were in darkness as part of the campaign. |
| The pyramids of Giza, Sydney Opera House, the Eiffel Tower, the Golden Gate Bridge and the Empire State Building were among other global landmarks which went dark. | The pyramids of Giza, Sydney Opera House, the Eiffel Tower, the Golden Gate Bridge and the Empire State Building were among other global landmarks which went dark. |