In fact, since the 1990s, researchers in the green economy have followed the language, according to the well-known Kondragiev economic long-wave theory or Schumpeter's innovation cycle theory. The forthcoming sixth wave of innovation is characterized by the revolution of resource production. The significance of this long wave is to create a new era of the ecological economy characterized by low-carbon energy. The Copenhagen International Climate Conference will actually start this new green economy. Longwave, and enter the climax by 2020, regardless of the specific results of the Copenhagen conference, the world will definitely follow the green development path of a low-carbon economy. What does this text mainly explain about the Copenhagen International Climate Conference? ['Theoretical basis.', 'Age background.', 'Significance.', 'Outlook.']