In practical terms, this will mean that developers will need to develop China-specific location-based services, which routinely access map services sanctioned by the Chinese government.
"The U.S. commitment to specific, mid-term emission cut targets and China's commitment to specific action on energy efficiency can unlock two of the last doors to a comprehensive agreement, " Yvo de Boer said.
Acupuncture - the practice of inserting thin needles into specific body points to improve health and well-being - originated in China more than 2, 000 years ago.
In 2011, researchers from China and Hong Kong showed how it might be done with laser beams of a specific shape - and the US space agency Nasa has even funded a study to examine how the technique might help with manipulating samples in space.