On the cusp of climate talks, UN chief Guterres visits crucial Antarctica

United Nations Secretary-General Antonio Guterres stands outside the Chilean Eduardo Frei Air Force Base in King George Island, Antarctica, Thursday. (AP Photo/Jorge Saenz)

KING GEORGE ISLAND, Antarctica — On the cusp of the COP28 climate talks, U.N. Secretary-General Antonio Guterres visited frozen-but-rapidly melting Antarctica on Thursday and said intense action must be taken at the conference where countries will address their commitments to lowering emissions of planet-warming gases.