As COP28 Gets Underway, Scientists Warn of Irreversible, Catastrophic Climate Change

A sign for the COP28 U.N. Climate Summit is displayed in Dubai, United Arab Emirates, Nov. 29, 2023. People walk near a logo for the COP28 U.N. Climate Summit, in Dubai, United Arab Emirates, Nov. 29, 2023. FILE - United Nations Secretary-General Antonio Guterres stands outside the Chilean Eduardo Frei Air Force Base in King George Island, Antarctica, Nov. 23, 2023.

The COP28 climate summit gets underway Thursday in Dubai, as scientists warn the world is heading for irreversible and potentially catastrophic climate change.