BBC News website readers have been sending pictures of the march to support negotiations in the climate summit in Copenhagen. Photo: Janneke Romijn
Janneke Romijn: "There were lots of policemen and I heard about arrests, but overall it was a peaceful march."
The demonstrations were not only being held on land, Greenpeace joined other boats to take the campaign to water. Photo: Andrea Koehle Jones
Some polar bears take a moment to relax after a day of intense protests. Photo: Andrea Koehle Jones
Hot-headed pandas united to defend their environment too. Photo: Soren Moller
Signs all over town conveyed the need for urgent measures in the Copenhagen talks. Photo: Soren Moller.
Tiffany Rivera: "Everyone seemed to be in good spirits, even though it was quite cold. And everyone seemed very proud to be here supporting a cause."
Sarah Gilliam: "There was a real party feel to it and there were people of all ages."
The colourful parade departed Parliament Square amid tight security. Photo: Crispin Rolt
Not all the animals portrayed in the march were of the cuddly type. Photo: Crispin Rolt
The march included protesters from all over the world, including these demonstrators from Australia (Pic: Erland Howden). Send your photos to email@example.com
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