Special Report: Fight against Global Warming 　

    BALI, Indonesia, Dec. 11 (Xinhua) -- A senior U.S. official said here on Wednesday that the United States would work together toward a "Bali Roadmap" in order to advance negotiations under the UN Framework Convention on Climate Change (UNFCC).

    Paula J. Dobriansky, undersecretary of State for Democracy and Global Affairs and head of the U.S. delegation to the ongoing UN climate change conference said that Washington is committed to doing its part in combating climate change effort.

    "A post-2012 arrangement must be environmentally effective and economically sustainable," she said, adding that "we must also develop and bring to market clean energy technologies at costs that countries can justify to their citizens."

    The ongoing U.N. climate change conference is tasked with laying out a roadmap for negotiations on a new climate deal before the Kyoto Protocol expires in 2012.

    "Emissions are global and the solution, to be effective, will need to be global," she noted.

    She said the United States proposed a future arrangement contain mitigation, adaptation, technology and financing.

    As the world's largest emitter of greenhouse gases, the United States is the only industrialized country not ratifying the Kyoto Protocol signed in Japan in 1997 on the grounds that it will do harm to its economic growth.

    During the Bali conference, the developed countries have been urged to confirm the target range of reducing emissions by 25 to 40 percent by 2020. The industrialized countries have also been asked to recognize the need of developing countries for technology transfer and financing of new, cleaner technologies.

    The Kyoto Protocol binds 36 industrialized nations to cut their emissions by an average 5 percent below the 1990 level between 2008 ad 2012.

    The U.S. delegation to the climate conference rejects the European Union's proposal of reducing emissions of greenhouse gases by 25-40 percent by 2020 for rich countries.

    The conference was attended by more than 180 countries, as well as observers from intergovernmental and non-governmental organizations.