Memorandum for the Petitioners | 36
5.20. In addition, the statements of the 2019 IPCC Special Report on
Climate Change and Land entitled, “Climate Change and Land: an IPCC
special report on climate change, desertification, land degradation,
sustainable land management, food security, and greenhouse gas fluxes in
terrestrial ecosystems” (“ IPCC SRCCL”),111 which focuses on GHGs fluxes
related to land and interactions between climate change and desertification,
land degradation, and food security, should also be accepted as material facts
by the Honorable Commission.
r
5.21. The 2019 IPCC SRCCL was the first IPCC report with land as a
central focus since the 2000 Special Report on land use, land-use change, and
forestry.112 The report builds upon IPCC SR 1.5 , the thematic assessment of
the Intergovernmental Science Policy Platform on Biodiversity and
Ecosystem Services ( IPBES) on Land Degradation and Restoration, the IPBES
Global Assessment Report on Biodiversity and Ecosystem Services , and the
Global Land Outlook of the UN Convention to Combat Desertification
(UNCCD).113
5.22. The 2019 IPCC SRCCL presents the following key material
facts:
5.22.1 .
“Human use directly affects more than 70%
(...) of the global, ice-free land surface” and “about a quarter of
the Earth’s ice-free land area is subject to human-induced.»114
5.22.2 .
The temperature over land has risen
considerably more than the global average. “From 1850-1900 to
2006-2015 mean land surface air temperature has increased by
1.53°C since pre-industrial times,” compared with 0.87°C in the
global mean surface temperature (“GMST” ) over land and
oceans.115
C
5.22.3.
The likelihood, intensity, and duration of
many extreme events can be significantly modified by changes in
IPCC 2019 , Summary for Policymakers: Climate Change and Land, In: Climate Change and Land, An
IPCC special report on climate change, desertification, land degradation, sustainable land management,
food security, and greenhouse gas fluxes in terrestrial ecosystems (hereinafter, “ IPCC 2019, Summary for
Policymakers: Climate Change and Land”)- It is one of three special reports that the IPCC is preparing
during the current Sixth Assessment Report cycle (including the SR 1.5 published in 2018 and a Special
Report on Climate Change and Oceans, set to be published in September 2019), available at
https://vvww.ipcc.ch/site/assets/ uploads/2019/08/4.-SPM Approved Microsite FINAL. pdf, (last accessed
on 12 September 2019).
112
IPCC 2000 - Watson, R., et ah Cambridge University Press, UK. p. 375, available from Cambridge
University Press, The Edinburgh Building Shaftesbury Road , Cambridge CB2 2RU ENGLAND, available
at https://www.ipcc.cIi/report/Iand- use- land -use-change-and-forestry/, (last accessed on 12 September
2019).
113
IPCC 2019, Summary for Policymakers: Climate Change and Land, supra note 111.
114
Id. Sec. AM and A 1.5, p.2.
1, 5
Id Sec. A2.1., p. 5.
111
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