The BBC was forced to apologise four times for bad language, from Phil Collins, Black Eyed Peas, Chris Rock and actor and director Rob Reiner. Cameras cut away from the stage when Rock told a joke about Paris Hilton. Host Jonathan Ross said musicians had been asked not to swear. The BBC had 44 complaints

- Snow Patrol’s green credentials took a dive after they whipped Wembley into a frenzy with their not-so eco-friendly Chasing Cars

- Ricky Gervais was given only 30 seconds to introduce Spinal Tap after famously freezing at last week’s Concert for Diana

- Live Earth is a 24-hour seven-continent series of concerts. More than 2 billion people tuned in to watch

- More than 200,000 people registered for £55 tickets for the concert at Wembley. About 70,000 people attended London’s nine-hour event

- Spoof Seventies rockers Spinal Tap, who reformed especially for the gig, wrote a song entitled Warmer Than Hell

- Madonna’s new song Hey You was inspired by the climate change campaign. The singer and her entourage emitted 444 tons of carbon dioxide on flights during last year’s Confessions tour, more than 40 times the output of the average Briton

-The total carbon footprint of the event worldwide, taking into account the artists’ and spectators’ travel to the concerts and the energy consumption on the day, is likely to be at least 31,500 tons

- The performers in the Antarctic event are Nunatak, a rock group made up of five members of the British Antarctic Survey

- The concerts aim to set a “green example”. At Wembley the burger boxes were made of sugar cane, and used cooking oil will be refined to biodiesel. Carbon emissions are predicted to be 20% less than a gig of the same size

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