The UN Sustainable Development Goals Report 2023: Special Edition summarises the situation on SDG 13: Climate Action as follows:

• With a climate cataclysm looming, the pace and scale of current climate
  action plans are wholly insufficient to effectively tackle climate change.
  Increasingly frequent and intense extreme weather events are already
  impacting every region on Earth. Rising temperatures will escalate these
  hazards further, posing grave risks.
• The Intergovernmental Panel on Climate Change (IPCC) emphasizes
  that deep, rapid and sustained reductions in greenhouse gas (GHG)
  emissions are essential in all sectors, beginning now and continuing
  throughout this decade. To limit global warming to 1.5°C above preindustrial levels, emissions must already be decreasing and need to be
  cut by almost half by 2030, just seven years away.
• Urgent and transformative action is crucial, going beyond mere plans
  and promises. It requires raising ambition, covering entire economies and
  moving towards climate-resilient development, while outlining a clear
  path to achieve net-zero emissions. Time is running out, and immediate
  measures are necessary to avoid catastrophic consequences and secure
  a sustainable future for generations to come.

Read and download the full report here