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Chapter 4 References

… at 1.5K using solar geoengineering. Earth’s Future, 1–22, doi:10.1002/2017ef000720. Jones, A.D., K. Calvin, W.D. Collins, and J. Edmonds, 2015: Accounting for radiative forcing from albedo change in future global land-use scenarios. Climatic Change, 131(4), 691–703, doi:10.1007/s10584-015-1411-5. Jones, C.D. et al., 2016: Simulating the Earth …

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Chapter 2 References

… 114(50), 13126–13131, doi:10.1073/pnas.1714308114. Chan, S., P. Ellinger, and O. Widerberg, 2018: Exploring national and regional orchestration of non-state action for a radiative forcing

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Summary for Policymakers

AUnderstanding Global Warming of 1.5°C*

… time scale (medium confidence). {1.2.4, Figure 1.5} A.2.2. Reaching and sustaining net zero global anthropogenic CO2 emissions and declining net non-CO2 radiative forcing would halt anthropogenic global warming on multi-decadal times cales (high confidence). The maximum temperature reached is then determined by cumulative …

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SPMSummary for Policymakers

… of staying below 2°C. Non-CO2 emissions included in this Report are all anthropogenic emissions other than CO2 that result in radiative forcing . These include short-lived climate forcers, such as methane, some fluorinated gases, ozone precursors, aerosols or aerosol precursors, such as …

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Chapter 44.3

4.3.6Short-Lived Climate Forcers

… field burning of crop residues to agricultural practices using deep-sowing and mulching technologies (Williams et al., 2011; Wong, 2012). The radiative forcing from HFCs are currently small but have been growing rapidly (Myhre et al., 2013).  The Kigali Amendment (from 2016) …

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Cross-Chapter Box 8: 1.5°C Warmer Worlds

… development to what happened in the so-called ‘hiatus’ period of the 2000s. Temperatures are regularly above 1.5°C of warming, although radiative forcing is consistent with a warming of 1.2°C or 1.3°C. Deadly heatwaves in major cities (Chicago, Kolkata, Beijing, Karachi, São Paulo), …

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Cross-Chapter Box 10: Solar Radiation Modification in the Context of 1.5°C Mitigation Pathways

… duration, SRM has to compensate for warming that exceeds 1.5°C (displayed with hatching on panel a) with a decrease in radiative forcing (panel b) which could be achieved with a rate of SAI varying between 0–5.9 MtSO2 yr−1 (panel c) (Robock et …

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Chapter 44.3

4.3.8Solar Radiation Modification (SRM)

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Cross-Chapter Box 2: Measuring Progress to Net Zero Emissions Combining Long-Lived and Short-Lived Climate Forcers

… H for SLCFs is less dependent on the choice of time horizon. Similarly, a permanent 1 W m−2 increase in radiative forcing has a similar temperature impact as the cumulative emission of H/AGWPH tonnes of CO2, where AGWPH is the Absolute Global …

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Chapter 11.2

1.2.4Geophysical Warming Commitment

… human activity: emissions of long-lived greenhouse gases such as CO2 and nitrous oxide (N2O) have a very persistent impact on radiative forcing (Myhre et al., 2013), lasting from over a century (in the case of N2O) to hundreds of thousands of …

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