New Delhi, Nov. 7 -- China is likely to overdeliver on the modest goals the government has set to cut carbon pollution, experts say. The question is whether that will be enough to help the world curb warming?

That's important ahead of the annual United Nations climate conference, known as COP30, which is being hosted in Brazil and gets underway this week. China's 2035 goals, a 35-page document submitted Monday, adds detail to the broad targets announced by leader Xi Jinping in late September.

All countries that signed the 2015 Paris Agreement on climate are required to update their goals, called "Nationally Determined Contributions," every five years. China's goals are particularly important for two reasons: It is the world's largest pr...