To mark the fifth anniversary of the Paris Agreement on climate change, the United Nations and relevant countries held a summit on climate ambition via video on December 12. At the summit, China put forward the following proposals: "By 2030, China’s carbon dioxide emissions per unit of GDP will drop by more than 65% compared to 2005, non-fossil energy will account for about 25% of primary energy consumption, and forest storage will increase by 6 billion cubic meters from 2005, and the total installed capacity of wind power and solar power will reach more than 1.2 billion kilowatts."