Countries have the obligation to prevent significant harm to the climate system, cooperate internationally, and adhere to the principle of "common but differentiated responsibilities" in determining their duties, the Vietnamese delegation remarked while attending a session held by the International Court of Justice (ICJ) in The Hague, the Netherland, from December 2 to 13.

The United Nations chose “Climate Action” as the theme for Earth Day 2020, calling for creative and innovative ways to address climate change.