List of figures and tables Figure 1. The climate system with the “sixth” component . . . . . . . . . . . .
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Figure 2. Evolution of CO2 concentration in the troposphere air (1958-June 2021) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Figure 3. Evolution of global surface temperature (in annual average, 1850-2020), and the temperature simulated by models using human and natural factors and only natural factors . . . . . . . . . . . . . . . . . . . . . . .
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Figure 4. Evolution of the Arctic sea ice extent in September (1979-2020) .
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Figure 5. Temperature projections according to five different Shared Socioeconomic Pathways (SSP) (SSP1, sustainability; SSP5, fossil-fueled development; the other, intermediate pathways) . . . . . . . . . . . . . . . . . . .
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Figure 6. Projected changes for 2071-2100, compared to 1971-2000, based on the average of a multi-model ensemble forced with the RCP8.5 high emissions scenario (fifth IPCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Figure 7. The risk triangle. Risk as a function of the hazard from nature, the vulnerability of society and the exposure of the territory . . . . . . . . . .
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Table 1. The certainty about the anthropic cause of the climate change . .
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