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Protection of water resources should be reinforced, especially at headstreams and significant lakes and wetlands, to prevent water pollution, he said.

He also noted that history and the facts have repeatedly showed that the South China Sea can only be peaceful and stable so long as the regional countries themselves get hold of the key to fixing the problems.

Seoul should wake up and realize that China has never been a source of regional tension and instability, and its neighborly diplomatic philosophy of amity, sincerity, mutual benefit and inclusiveness, should not warrant schemes that undermine the country's national security.

The Chinese president called for global economic governance to increase the representation and voice of emerging markets and developing countries, and to ensure that all countries have equal rights, equal opportunities, and equal rules to follow in international economic cooperation.

China vowed that it would achieve "decisive results" in major reform areas by 2020.