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global surface temperature since AR5 is principally due to further warming since 2003–2012 (+0.19 [0.16 to 0.22] °C). Additionally, methodological advances and new datasets contributed approximately 0.1°C to the updated estimate of warming in AR6.10 {2.3, Cross-Chapter Box 2.3} (Figure SPM.1)
20 Μαρ 2023 · Described as an “an atlas of human suffering and a damning indictment of failed climate leadership” by United Nations Secretary-General António Guterres, one of AR6’s most alarming conclusions is that adverse climate impacts are already more far-reaching and extreme than anticipated.
This graphic shows how global temperatures change when using climate model simulations that include: greenhouse gases only (red band); or aerosols (air pollutants) and other human drivers only (blue band); or natural causes only (green band); or when all causes are included (grey band).
This chart maps out future greenhouse gas emissions scenarios under a range of assumptions: if no climate policies were implemented; if current policies continued; if all countries achieved their current future pledges for emissions reductions; and the necessary pathways compatible with limiting warming to 1.5°C or 2°C of warming this century. 4
How have global emissions of carbon dioxide (CO 2) changed over time? In this chart, we see the growth of global emissions from the mid-18th century through to today. We see that before the Industrial Revolution, emissions were very low.
9 Αυγ 2021 · The assessment from the UN’s Intergovernmental Panel on Climate Change (IPCC) says things are poised to get worse if greenhouse-gas emissions continue, and makes it clear that the future of the ...
1 Νοε 2021 · Take a closer look at what’s driving climate change and how scientists know CO2 is involved, in a series of charts examining the evidence in different ways.
