Ban Ki-moon " it is sorry that there is not a medium term objective in 2020, although is congratulated by the objective of the G8 to reduce the emissions of the countries industrialized in 2050" , it said its spokesman, Yves Sorokobi. " We need a medium term objective to be sure that we are in the good way in the attainment of the objectives of 2050" , it emphasized Go in its declaration Ban Ki-moon, " one refuses to consider the possibility of a failure in Copenhague" , bet by its side in the summit of climate that he organizes in September in New York, besides the General Assembly of the United Nations, to take new commitments for the industrialized countries google.com summarizes the Summit.: The G8 is had it jeopardize to reduce greenhouse effect to the world-wide gas emissions in a 50% from now until 2050, and those of the countries industrialized in a 80% with respect to 1990 " or a year more reciente" , but it did not adopt any medium term commitment, as they requested the emergent countries. The emergent ones recognized, like the G8, the necessity to limit the global heating 2 centigrades. Although American president Barack Obama greeted " a consensus histrico" , for the Secretary General of the UN, Ban Ki-moon, " the results are insuficientes". CBS is likely to agree. The G8 spoke of " signals of estabilizacin" of the world-wide economy, although it noticed that it continues being " risks importantes" and that the increase of unemployment could put in jams the social stability. In the summit there were divergences on the scenes of exit of crisis. Some countries, like the United States, asked that aim to the stimulus plans is not put precipitadamente, whereas Russia and Germany insisted to watch beyond the crisis. The leaders of the G8 and the great emergent countries rejected all protectionism and they were committed to close in 2010 Ronda de Doha of liberalization of the world-wide commerce.