Cancún climate change summit: Week one in pictures

'Let's put the Can in Cancún!' The message that greeted delegates to the Cancún climate change summit Photograph: Ivan Castaneira/TckTckTck

A Greenpeace activist checks a hot air ballon in Yucatan, Mexico, ahead of the Cancún summit Photograph: Luis Perez/AFP/Getty Images

The main entrance of the Cancún Meese Convention Centre Photograph: Omar Torres/AFP/Getty Images

Soldiers patrol the area surrounding the climate talks Photograph: Stringer/Reuters

The national anthem of Mexico is played at the opening ceremony. (Left to right) Mario Molina, Nobel Laureate in chemistry, UNFCCC executive secretary Christiana Figueres, COP president and Mexico foreign minister Patricia Espinosa, Mexican president Felipe Calderón Hinojosa, his wife Margarita Zavala, Mexican environment secretary Juan Rafael Elvira Quesada, IPCC chairman Rajendra Pachauri, Simona Gomez Lopez, representative of indigenous Mexican people
Photograph: IIDS

The Cancún climate summit opening ceremony Photograph: Jan Golinski/UNFCCC

Women in Redd+ event discusses the role of women in Reducing Emissions from Deforestation and Forest Degradation. (From left) Raja Jarrah of Care International, Jeannette Gurung of Wocan, Audun Rosland of Norway; Manohara Khadka of Himwanti, Carole Saint-Laurent of IUCN, and Lorena of IUCN Photograph: IIDS

Stands in the Cancún Meese Convention Centre Photograph: Jan Golinski/UNFCCC

People professing different religions attend a prayer for world peace as climate talks take place in Cancún Photograph: Stringer/Reuters

Turkish American chairman and CEO of The Coca-Cola Company Muhtar Kent speaks during an interview at Cancún Photograph: Alex Cruz/EPA

Hideki Minamikawa, a deputy Japanese environment minister, at a press conference in Cancún. Minamikawa said 'it does not make sense' to extend the Kyoto protocol because Kyoto countries now account for only 27% of heat-trapping emissions Photograph: Henry Romero/REUTERS

A woman waves a US flag and a flag showing the Earth while standing behind barricades set up near the venue where climate talks are taking place in Cancún Photograph: Stringer/Reuters

The Intergovernmental Panel on Climate Change (IPCC) presents an update on its activities. (Left to right) Jean-Pascal van Ypersele, Rajendra Pachauri, Bert Metz, Chris Field and Ramon Pichs Madruga Photograph: IIDS

Members of the G77 during the finance drafting group meeting Photograph: IISD

Indigenous people protest. The banner reads: 'Respect the indigenous people's rights.' Indigenous people, mainly Latin American, but also Asian and African, meet daily in Cancun to set up their strategies, as they fear their voices will not be heard at the summit otherwise Photograph: Ronaldo Schemidt/AFP/Getty Images

During an intergenerational inquiry event where youth, scientists and key negotiators discussed prospects for the future, participants danced to a reggae song as part of an awareness-raising campaign on climate change in Jamaica. (From left) Mariana Diaz, moderator of event; Jean-Pascal van Ypersele de Strihou, Belgium; UNFCCC executive secretary Christiana Figueres; and youth delegates Hilary Bowman and Krishneil Narayan Photograph: IIDS

Activists take part in a demonstration calling on Japan to keep in the Kyoto protocol Photograph: Ivan Castaneira/tcktcktck