The publication provides a summary on the state of the climate indicators in 2021, including global temperatures trends and its distribution around the globe; most recent finding on Green House Gases concentration, Ocean indicators; Cryosphere with a particular emphasis on Arctic and Antarctic sea ice, greenland ice sheet and glaciers and snow cover; Stratospheric Ozone; analysis of major drivers of inter-annual climate variability during the year including the El Niño Souther Oscillation and other Ocean and Atmospheric indices; global precipitation distribution over land; extreme events including those related to tropical cyclones and wind storms; flooding, drought and extreme heat and cold events.

The publication also provides most recent finding on climate-related risks and impacts including on food security, humanitarian and population displacement aspects and impact on ecosystems.