Carolina Schmidt, chairwoman of the COP25 and the environment minister of Chile, speaks at the opening ceremony for COP26 in Glasgow, Scotland, the United Kingdom, on Oct. 31, 2021. The 26th United Nations Conference of Parties on Climate Change (COP26), delayed by a year due to the COVID-19 pandemic, kicked off on Sunday in Glasgow, Scotland. As the first conference after the five-year review cycle under the Paris Agreement inked in 2015, delegates are expected to review overall progress and plan future actions on climate change in the coming two weeks. (Xinhua/Han Yan)