In the absence of international agreements, regional partnerships are being set up to develop low-carbon innovations and clean technologies. One of the latest is that agreement between China and the state of California, it acknowledges having much to learn from innovations developed in China and vice versa.
For more info. http://www.sfgate.com/politics/joegarofoli/article/California-China-to-link-climate-change-efforts-4813917.php
