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 1. Discuss on the 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

Applications and Investigations in Earth Science (9th Edition)
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ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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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

1. Discuss on the 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
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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