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GUIYANG, July 20 (Xinhua) -- China will commit to its international obligations and work with countries around the world to make a better Earth, President Xi Jinping said in a congratulatory letter to an environmental forum on Saturday.

Noting that the SCO is an important force for regional peace, stability and development, they said cooperation among SCO members should be enhanced to facilitate a healthy and sound development of the organization.

"Most of the time in rescue and relief operations, people in affected areas do not ask which organization you represent. What they want is efficiency. The sooner the operation is conducted, the better," said Wang.

BEIJING, May 5 (Xinhua) -- Five samples taken from poultry and the environment in three east China provinces have tested positive for the H7N9 avian flu virus, the Ministry of Agriculture said on Sunday.

During the talks, the two presidents agreed that strengthening China-Mexico long-term friendly cooperation serves the fundamental interests of the two countries and two peoples, and helps promote unity and cooperation among developing countries.