"Copenhagen is already a turning point in the international response to climate change," said Yvo de Boer, U.N. Climate for climate change.
This year's summit to tackle climate change has received a boost with the planned attendance by world leaders like China, the United States, Russia and India.
Among the speakers for the Monday, Dec 7 session will be Danish Prime Minister Lars Lokke Rasmussen and Rajendra Pachauri, head of the U.N.'s panel of climate experts.
Speaking about the failure to arrive at a legal treaty in 2009 in Nov summit, Rasmussen said that the Copenhagen 15,000 participants from 192 nations will help in arriving at a politically binding deal and new deadline in 2010 for legal details.
As the whole nation comes together for the Summit on climate change, newspapers across the globe are united in encouraging the poor and the rich nations to unite in the summit through their editorials.
Almost 56 newspapers from 45 countries including The Guardian, Le Monde, El Pais and Toronto Star published a joint editorial urging unity in Copenhagen.
"At the deal's heart must be a settlement between the rich world and the developing world. Social justice demands that the industrialized world digs deep into its pockets. Many of us, particularly in the developed world, will have to change our lifestyles," the editorial said.
Prime minister Manmohan Singh will attend the last two days of the summit.