'Climate time bomb ticking', emissions must urgently be cut, UN chief says

The synthesis report summarized findings from three expert assessments published between 2021 and 2022 that looked at the physical science, impacts, and mitigation of climate change. The document will also serve as a guide for a global climate change "stocktake" set to take place this year, in which countries will assess progress. They also said nearly half the world's population was already vulnerable to climate impacts. The document will also serve as a guide for a global climate change "stocktake" set to take place this year, in which countries will assess progress. They also said nearly half the world's population was already vulnerable to climate impacts.