According to the IPCC, we only have ten years to halve emissions in the world to meet the 1.5-degree target that the countries of the world agreed to try to reach when the Paris Agreement was signed.
Despite this, several countries are already affected by climate change. Heat waves, floods and droughts are succeeding each other around the world.
According to both the UN and the World Bank, the small island nation of the Maldives in the Indian Ocean will be devoured by the sea before the end of the century.
Seeing glimmers of light in the dark
Johan Rockström, professor of environmental science and director of the Potsdam Institute for Climate Impact Research, does not believe Monday's report will mince words
" The window to meet the 1.5 degree target is closing. We have a little less than 30 years to phase out all fossil fuels in the world according to the IPCC. As the world unfolds today, it doesn't look very bright.
At the same time, he sees many glimmers of light in the dark.
"Renewable energy is rushing forward exponentially, becoming cheaper and being able to deliver at the required scale. We are seeing more and more evidence that a fossil-free future is much more exciting, advanced, modern, healthy, more peaceful and more stable.
SVT Nyheter broadcasts live when the report is released at 14.00 today.