Copenhagen climate change conference in pictures: Day 11

A group of around 100 women leaders pose while holding a sign reading 'I am an agent of CChange' at the Bella Center Photograph: ANDREAS HILLERGREN/guardian.co.uk

France's President Nicolas Sarkozy (left) gestures to Germany's Chancellor Angela Merkel (2nd right) during the plenary session at the Bella Center. Photograph: Attila Kisbenedek/guardian.co.uk

British Prime Minister Gordon Brown (right) and Chinese Prime Minister Wen Jiabao (left) hold by-lateral talks Photograph: Jeff J Mitchell/guardian.co.uk

Journalists watch Iranian President Mahmoud Ahmadinejad on a monitor in the press center Photograph: Virginia Mayo/guardian.co.uk

Greenpeace members displaying banners on the route between Copenhagen airport and the Bella Centre. Huge banners reading Politicains Talk," Leaders Act" were hung at strategic points along the route taken by Heads of State, ensuring dozens of motorcades could not avoid the call for climate action. Photograph: Christian Aslund/guardian.co.uk

Pedestrians walk in a street closed off by barricades near the National Museum where an exhibit called 'Indians of the Rain Forest' is on Photograph: PETER DEJONG/guardian.co.uk

Venezuela's President Hugo Chavez (2nd left) poses with an unidentified woman for a picture during a plenary session at the Bella Center Photograph: Attila Kisbenedek/guardian.co.uk

US Secretary of State Hillary Rodham Clinton smiles as she arrives for a press conference at the Bella Center in Copenhagen on December 17, 2009 on the 11th day of the COP15 Photograph: Olivier Morin/guardian.co.uk

Britain's Prime Minister Gordon Brown looks on before his slot to deliver a speech during the plenary session at the Bella Center in Copenhagen on December 17, 2009 Photograph: Adrian Dennis/guardian.co.uk

British Prime Minister Gordon Brown addresses delegates at the UN Climate Change Conference on December 17, 2009 in Copenhagen Photograph: Peter Macdiarmid/guardian.co.uk

Algeria's Kamel Djemouai (C), who represents more than 50 African nations (G77), speaks during a press conference at the Bella center in Copenhagen on December 17, 2009 Photograph: Olivier Morin/guardian.co.uk

Secretary-General Ban Ki-moon(R) speaks with Bangladeshi Prime Minister Sheikha Hassina Wajed (L) and Danish Prime Minister Lars Lokke Rasmussen (2nd-R), prior to a working lunch with G77, African and LDC groups, in the Secretary-General's office at the Bella Centrein Copenhagen, Denmark 16 December, 2009. Photograph: Mark Garten/guardian.co.uk

A sculpture from the art installation 'The Pulse of the Earth' by sculptor Jens Galschiot, are erected outside the Bella Centre where the Cop 15 climate summit is taking place on December 17, 2009 in Copenhagen Photograph: Jeff J Mitchell/guardian.co.uk

Participants dressed as pandas attend WWF childrens lantern march for the environment on December 16, 2009 in Copenhagen Photograph: Jeff J Mitchell/guardian.co.uk

UN police attempt to stop delegates from entering the plenary session at the climate summit in Copenhagen, December 16, 2009. Photograph: Anja Niedringhaus/guardian.co.uk

Activists holding up a paper reading 'fair, ambitious and legally binding' as they stage a small demonstration outside the plenary hall at the climate summit in Copenhagen, December 16, 2009. Photograph: Anja Niedringhaus/guardian.co.uk