World leaders need to listen to and act on solid scientific guidance to urgently reduce global warming, the UN Secretary-General António Guterres said in a video message at the opening of the new session of the Intergovernmental Panel on Climate Change (IPCC) on Monday.
Underlining the “urgent need to end global heating with cold, hard facts”, he said the panel’s forthcoming report ahead of the next UN Climate Change Conference (COP28), to be held in Dubai in November, comes at a pivotal time.
“Our world is at a crossroads, and our planet is in the crosshairs,” he said. “We are nearing the point of no return, of overshooting the internationally agreed limit of 1.5 degrees Celsius of global warming. We are at the tip of a tipping point.”
The panel, a UN body for assessing the science related to climate change, has put forward, for decades, clear evidence of how people and planet are being affected by climate destruction. Its new assessment will be the first comprehensive report since the Paris Agreement on climate change, adopted in 2015.
“You have built the case, setting out the science of climate change and the urgency for climate action,” Mr. Guterres said. “The evidence has been clear, convincing and irrefutable.”
The Panel findings underscore the need to act now, he declared. Citing several recent IPCC reports, he said evidence in 2021 showed for the first time that some of the changes to Earth’s oceans, ice, and land surface were irreversible.
That report also said the changes were “unequivocally” caused by human activity, overwhelmingly from burning fossil fuels and creating unprecedented levels of greenhouse gases.