Delegates from 192 countries are gathering in the Danish capital Copenhagen for the opening of the UN summit on climate change today. The main areas for discussion include setting of targets to curb greenhouse gas emissions, in particular by developed countries, financial support for mitigation of and adaptation to climate change by developing countries and a carbon trading scheme aimed to end destruction of world's forests by 2030.Prime Minister Manmohan Singh will attend the Copenhagen summit on December 17. Besides Dr Singh, US President Barack Obama, UK Prime Minister Gordon Brown and French President Nicolas Sarkozy are among the world leaders who have pledged to attend the summit. Speakers at the opening session will include Danish Prime Minister Lars Lokke Rasmussen and Rajendra Pachauri, head of the UN's panel of climate experts. Minister of State for Environment and Forests Jairam Ramesh along with 35 officials, four MPs and four children comprise the Indian delegation at the summit.Top Indian negotiators have said that principal of sharing the burden of climate change on a country's per capita emission remains the key point for New Delhi. Ahead of leaving for Copenhagen, the negotiating team led by the Prime Minister's special envoy on Climate Change Mr Shyam Saran, held discussions with the Environment Minister Mr Jairam Ramesh in New Delhi. Our Correspondent reports that the Prime Minister, Dr Manmohan Singh articulated India's position on climate change in his address to a high level meeting on climate change technology development and transfer in October this year making it clear that India's per capita Carbon emissions will never exceed the average of per capita carbon emissions of the developed countries. Our Correspondent has filed this report.AIR crrespondents Vijay Raina and Anjali Ojha report that "After several rounds of talks at different fora, across the globe to address the climate change issue which is threatening the ecological balance, besides food security and rising of temperature, the marathon discussions at Copenhagen are about to start. While most of the developing countries and groupings have made their position clear on the issue, with India and China announcing voluntary cuts up to 25 per cent by 2020, the stand of the developed nations is still far from clear. With UNFCC maintaining that there is unprecedented political momentum to reach a consensus on the pressing issue, the last minute announcement by the Prime Minister Dr Manmohan Singh and the US President Barack Obama to attend the summit level meet, hopes have risen on reaching an agreement on the road ahead.