Copenhagen talks in pictures

EARTH HOUR: A boy sits on his father's shoulders in front of a globe during the Earth Hour ceremony in Copenhagen.The organisers called for the people of city to turn off their lights for one hour.

COPENHAGEN DEMONSTATIONS: A protester receives help after clashing with police during a demonstration outside the United Nations Climate Change Conference.

PANDA POWER: A protestor dressed in a panda suit takes part a demonstration outside the United Nations Climate Change Conference.

COPENHAGEN WORK OUT: California governor and former action-hero Arnold Schwarzenegger works out while fighting to save the planet.

ENVIRO PRINCE: Britain's Prince Charles urges unity at the opening session of the high-level segment of the UN Climate Change Conference.

DEATH COMES RIDING: Protester at the 2009 Climate Change talks in Copenhagen.

THINGS ARE HEATING UP: Former US Vice President Al Gore wipes his forehead as he speaks at a presentation on melting ice and snow at the UN Climate Change Conference.

CLIMATE CHANGE TALKS: Demonstrators in France add their voices to Copenhagen protests.

VOICES UNITE: Protests across the world, including London, joined demonstrations at the climate change talks in Copenhagen.