In recent years, the global environmental problems have become more and more serious, among which the global climate change issue is the most noticeable. As U.S. President Donald Trump announced his withdrawal from the Paris Agreement, the international community has raised new concerns about the sharing of the global environment burden, and the issue of climate justice has attracted more and more attention from the international community. How to deepen the international environmental law principle of "common but differentiated responsibilities" with the relevant ethics of climate justice will be an indispensable theoretical guide for global environmental governance in the future.