On April 22, U.S. President Joseph Biden convened a virtual summit to commemorate Earth Day. The summit was attended by the leaders of 40 countries, including many of the world’s largest greenhouse gas emitters (Reuters). Observers have called the event the return of U.S.

Last Tuesday, while addressing the United Nations General Assembly, President Xi Jingping shocked global observers with a bold announcement: China has promised to strengthen its commitments under the Paris Climate Accords, declaring that it will achieve peak emissions before 2030 and full carbon neutrality by 2060 (Reuters).