Developed countries agreed to mobilize 100 billion dollars each year before 2020 and provide stronger financial support to developing countries afterwards during the 2009 Copenhagen conference. Yet, only 62 billion dollars have been raised as of 2014, according to an OECD report released in October.

"Developed countries should honor their commitment, mobilizing 100 billion dollars each year before 2020, and provide stronger financial support to developing countries afterwards," said Xi.

"It is also important that climate-friendly technologies should be transferred to developing countries," he added.