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Definition of global warming Human-induced warming in 2017 above the pre-industrial level. Emission reduction goals to keep global warming below 1.5 °C

Definition of global warming Human-induced warming in 2017 above the pre-industrial level. Emission reduction goals to keep global warming below 1.5 °C

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From the IPCC special report: chapter 1: Global Warming of 1.5 °C., read the executive summary, Figure 1.2, and the section of 1.5 °C pathways

Discuss the following focal points (write your discussion in structured paragraphs with your thoughts sandwiched between these focal points, NOT in a way of writing a to-the-point answer for these guided points) 

  • Definition of global warming
  • Human-induced warming in 2017 above the pre-industrial level.
  • Emission reduction goals to keep global warming below 1.5 °C
  • Climate adaptation measures – implementation and challenges
  • Evolution of global mean surface temperature: total vs human-induced
  • Various pathways of 1.5°C, related impacts, and emission scenarios for those pathways.

(in short)

1.5 Observed monthly global mean surface temperature CMIP5 model average Surface Air Temperature CMIP5 model average blended & masked Human-induced temperature change IPCC-AR5 near-term Total externally-forced temperature change 1.0 - projection 2006-2015 Holocene temperature range 1986-2005 0.5 - 0.0 Pre-industrial reference period -0.5 1860 1880 1900 1920 1940 1960 1980 2000 2020 Year Temperature change relative 1850-1900 (°C)
Transcribed Image Text:1.5 Observed monthly global mean surface temperature CMIP5 model average Surface Air Temperature CMIP5 model average blended & masked Human-induced temperature change IPCC-AR5 near-term Total externally-forced temperature change 1.0 - projection 2006-2015 Holocene temperature range 1986-2005 0.5 - 0.0 Pre-industrial reference period -0.5 1860 1880 1900 1920 1940 1960 1980 2000 2020 Year Temperature change relative 1850-1900 (°C)
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