Welsh climate protesters join The Wave climate demo
BBC Wales Environment Correspondent Iolo ap Dafydd looks ahead towards the Copenhagen summit
Hundreds of people from Wales have joined a demonstration calling on the UK to act on climate change.
Tens of thousands of people have poured into London for The Wave protest before the start of the United Nations Copenhagen climate summit on Monday.
Buses were laid on for protesters travelling from Anglesey, Machynlleth, Lampeter, Swansea and Cardiff.
"We will call on Gordon Brown to make Copenhagen count," said Julian Rosser of lobbyists Stop Climate Chaos Cymru.
The Wave has been organised by the Stop Climate Chaos (SCC) coalition, which includes Oxfam, World Wide Fund for Nature (WWF), The Women's Institute, Greenpeace and the National Union of Students (NUS). It is also supported by the Co-operative Society.
The UK government must fight for a comprehensive, fair and binding deal at Copenhagen
Chris Johnes, Oxfam Cymru
As part of what SCC claims will be the UK's largest ever climate change demonstration, protesters were marching from Grosvenor Square to Big Ben. The Wave was also taking place in Glasgow, Belfast and Dublin.
Protesters called on the government to settle for nothing less than a climate deal that avoids dangerous climate change and protects the world's poorest people, said SCC.
They are appealing to the UK government to improve on its ambition for an EU-wide emissions cut of 30% in the next 10 years which, the coalition said, still falls too short.
Dai the Blue Dragon made by Russell Kirk of Rhayader, will join the march
Mr Rosser said tens of thousands of people were showing "they care passionately about climate change".
"We will call on Gordon Brown to make Copenhagen count by committing rich countries to reduce their emissions by at least 40% in the next 10 years, finally putting the right sort of money on the table to help poor countries, and urgently starting the process of decarbonising our energy supply."
Chris Johnes, head of Oxfam Cymru, called on the UK government to fight for "a comprehensive, fair and binding deal at Copenhagen".
"That is our demand today and we expect it to be fulfilled," he said.
Ruth Davis, head of climate change policy at the Royal Society for the Protection of Birds (RSPB), said the natural world was under grave threat from climate change.
She said: "Up to half the world's species could be at risk of extinction if global temperatures rise by five-degrees.
"The Wave is a chance to show our leaders people care about climate change and about the environment we all depend on."
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