The Prime Minister Dr. Manmohan Singh asserted that clear commitments from industrialized countries are essential to address effectively the challenges of climate change. He added it will also help to contain the likely temperature increase to two degrees or less. Inaugurating 11th edition of Delhi Sustainable Development Summit on Thursday, he said India alone can not make significant difference to the climate as its emissions account for only four percent of the global total. Dr Singh favoured proper enforcement of regulatory standards to prevent damage to the environment. He however said that there is no return to the license permit raj system. He also supported that polluter must pay principle to deal with the issue of residual pollution that may be caused despite regulation. He added that last year, the government introduced a cess of five per cent on the use of coal both domestic and imported to build the corpus of a National Clean Energy Fund. . He made it clear that poverty eradication will have to be linked to the availability of clean renewable and affordable energy. The Prime Minister said that efforts by individual countries may not make much difference as the emission of green house gases knows no boundaries. Dr. Manmohan Singh said that there is a need to shift the patterns of energy generation and its use. He cautioned if it is not done ecological sustainable development will remain only a pious aspiration. Referring to the efforts and steps made by India to address this challenge Dr. Manmohan Singh said an eight point action plan is already in place and seven of its points have already been put in action. He announced that the eighth mission named as Green India will be launched shortly. This, he said will result in the re-generation of six million hectares of degraded forest land. He said New Delhi is currently engaged in preparing the 12th Plan from 2012-2017, which will focus on specific initiatives needed to put the development on a low carbon growth path. Talking about the international situation, the Prime Minister said that the Cancun conference in Maxico did produce some modes results and assured that India will continue to play a constructive and responsible role in the ongoing negotiations to find practical, pragmatic but equitable solutions. He also advocated for transfer of technology to the under developed countries to address this challenge. Addressing the conference the Afghan president Mr. Hamid Karzai also advocated for collaborative action to tap renewable sources of energy. He also pleaded for setting up regional energy projects. The President of Dominican Republic Dr. Leonel Fernandez said much work has to be done to implement policies and practices that arrest the impact of global warming. He cautioned that the future development of the world should not be at the cost of irresponsible use of fossil fuels. President of Seychelles James Alix Michel said it is high time that the world acts to ensure that the islands on this planet are saved. He called upon the developed world to use advance technologies at their disposal to take the lead in cutting emissions.