Explained: AP Exclusive: Departing UN chief calls this 'a moment of truth' in fight to curb global warming

UN climate talks (COP31) begin in Turkey on Monday, scheduled Nov. 9-20

COP31

The UN climate conference, scheduled for Nov. 9-20 in Turkey

Paris Agreement

2015 international agreement aiming to limit global warming to 1.5 degrees Celsius since pre-industrial times

El Niño

A naturally occurring climate pattern that disrupts weather systems around the globe

windfall profits

Excess profits, in this case made by fossil fuel companies, that Guterres says should be taxed

global boiling

Phrase Guterres used three years ago to describe rising temperatures and extreme weather from climate change