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"Greenhouse gas concentrations in the atmosphere are at the highest levels in 3-5 million years - and that occurred at a time when Earth's temperature was as much as 3 degrees warmer and sea levels as much as 10-20 meters higher," he said.

"For the common parts, we must continue to expand and make them a solid bond that connects the two sides. Regarding the differences and sensitive issues, we should put them in an appropriate position with constructive management and control," he said.

"Further research may greatly assist the study of the ancestry of modern human beings not only in China, but also in the rest of East Asia, Southeast Asia and even for Native Americans," Chen said.

"Going ahead our association will actively work to facilitate global communications and cooperation," he said.

"Financial stability is a precondition to keep prices stable during the transition period," said Ren.