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113
Near-Term Responses in a Changing Climate
Section 4
4.8.3. Technology Innovation, Adoption, Diffusion and
Transfer
Enhancing
technology
innovation
systems
can
provide
opportunities to lower emissions growth and create social and
environmental co-benefits. Policy packages tailored to national
contexts and technological characteristics have been effective
in supporting low-emission innovation and technology diffusion.
Support for successful low-carbon technological innovation
includes public policies such as training and R&D, complemented by
regulatory and market-based instruments that create incentives and
market opportunities such as appliance performance standards and
building codes. (high confidence) {WGIII SPM B.4, WGIII SPM B.4.4,
WGIII SPM E.4.3, WGIII SPM E4.4}
International cooperation on innovation systems and technology
development and transfer, accompanied by capacity building,
knowledge sharing, and technical and financial support can
accelerate the global diffusion of mitigation technologies,
practices and policies and align these with other development
objectives (high confidence). Choice architecture can help end-users
adopt technology and low-GHG-intensive options (high confidence).
Adoption of low-emission technologies lags in most developing countries,
particularly least developed ones, due in part to weaker enabling
conditions, including limited finance, technology development and
transfer, and capacity building (medium confidence). |
(high confidence) {WGIII SPM B.4, WGIII SPM B.4.4,
WGIII SPM E.4.3, WGIII SPM E4.4}
International cooperation on innovation systems and technology
development and transfer, accompanied by capacity building,
knowledge sharing, and technical and financial support can
accelerate the global diffusion of mitigation technologies,
practices and policies and align these with other development
objectives (high confidence). Choice architecture can help end-users
adopt technology and low-GHG-intensive options (high confidence).
Adoption of low-emission technologies lags in most developing countries,
particularly least developed ones, due in part to weaker enabling
conditions, including limited finance, technology development and
transfer, and capacity building (medium confidence). {WGIII SPM B.4.2,
WGIII SPM E.6.2, WGIII SPM C.10.4, WGIII 16.5}
Higher mitigation investment flows required for
all sectors and regions to limit global warming
Actual yearly flows compared to average annual needs
in billions USD (2015) per year
Multiplication
factors*
0
1000
1500
2000
2500
3000
500
2017
2018
2019
2020
Annual mitigation investment
needs (averaged until 2030)
IEA data mean
2017–2020
Average flows
0
1000
1500
2000
2500
3000
500
*Multiplication factors indicate the x-fold increase between yearly
mitigation flows to average yearly mitigation investment needs.
Globally, current mitigation financial flows are a factor of three
to six below the average levels up to 2030. |
Globally, current mitigation financial flows are a factor of three
to six below the average levels up to 2030.
Yearly mitigation investment
flows (USD 2015/yr ) in:
By sector
By type of economy
Energy efficiency
Developing countries
By region
Europe
Eastern Europe and West-Central Asia
Latin America and Caribbean
Africa
Middle East
North America
Australia, Japan and New Zealand
South-East Asia and Pacific
Southern Asia
Developed countries
Agriculture, forestry and other land use
Electricity
Transport
Eastern Asia
Lower
range
Upper
range
x10
x31
x2
x5
x3
x5
x6
x7
x14
x12
x14
x28
x12
x3
x4
x2
x3
x6
x4
x7
x15
x5
x4
x7
x7
x7
x7
x2
x4
x2
x8
x7
Figure 4.6: Breakdown of average mitigation investment flows and investment needs until 2030 (USD billion). Mitigation investment flows and investment needs by
sector (energy efficiency, transport, electricity, and agriculture, forestry and other land use), by type of economy, and by region (see WGIII Annex II Part I Section 1 for the classification
schemes for countries and areas). The blue bars display data on mitigation investment flows for four years: 2017, 2018, 2019 and 2020 by sector and by type of economy. For the
regional breakdown, the annual average mitigation investment flows for 2017–2019 are shown. The grey bars show the minimum and maximum level of global annual mitigation
investment needs in the assessed scenarios. This has been averaged until 2030. The multiplication factors show the ratio of global average early mitigation investment needs
(averaged until 2030) and current yearly mitigation flows (averaged for 2017/18–2020). |
The blue bars display data on mitigation investment flows for four years: 2017, 2018, 2019 and 2020 by sector and by type of economy. For the
regional breakdown, the annual average mitigation investment flows for 2017–2019 are shown. The grey bars show the minimum and maximum level of global annual mitigation
investment needs in the assessed scenarios. This has been averaged until 2030. The multiplication factors show the ratio of global average early mitigation investment needs
(averaged until 2030) and current yearly mitigation flows (averaged for 2017/18–2020). The lower multiplication factor refers to the lower end of the range of investment needs.
The upper multiplication factor refers to the upper range of investment needs. Given the multiple sources and lack of harmonised methodologies, the data can be considered only if
indicative of the size and pattern of investment needs. {WGIII Figure TS.25, WGIII 15.3, WGIII 15.4, WGIII 15.5, WGIII Table 15.2, WGIII Table 15.3, WGIII Table 15.4} |
114
Section 4
Section 1
Section 4
International cooperation on innovation works best when tailored to
and beneficial for local value chains, when partners collaborate on an
equal footing, and when capacity building is an integral part of the
effort (medium confidence). {WGIII SPM E.4.4, WGIII SPM E.6.2}
Technological innovation can have trade-offs that include
externalities such as new and greater environmental impacts and
social inequalities; rebound effects leading to lower net emission
reductions or even emission increases; and overdependence on
foreign knowledge and providers (high confidence). Appropriately
designed policies and governance have helped address distributional
impacts and rebound effects (high confidence). For example, digital
technologies can promote large increases in energy efficiency through
coordination and an economic shift to services (high confidence).
However, societal digitalization can induce greater consumption of
goods and energy and increased electronic waste as well as negatively
impacting labour markets and worsening inequalities between
and within countries (medium confidence). Digitalisation requires
appropriate governance and policies in order to enhance mitigation
potential (high confidence). Effective policy packages can help to
realise synergies, avoid trade-offs and/or reduce rebound effects:
these might include a mix of efficiency targets, performance standards,
information provision, carbon pricing, finance and technical assistance
(high confidence). {WGIII SPM B.4.2, WGIII SPM B.4.3, WGIII SPM E.4.4,
WGIII TS 6.5, WGIII Cross-Chapter Box 11 on Digitalization in Chapter 16}
Technology transfer to expand use of digital technologies for land use
monitoring, sustainable land management, and improved agricultural
productivity supports reduced emissions from deforestation and land
use change while also improving GHG accounting and standardisation
(medium confidence). |
Digitalisation requires
appropriate governance and policies in order to enhance mitigation
potential (high confidence). Effective policy packages can help to
realise synergies, avoid trade-offs and/or reduce rebound effects:
these might include a mix of efficiency targets, performance standards,
information provision, carbon pricing, finance and technical assistance
(high confidence). {WGIII SPM B.4.2, WGIII SPM B.4.3, WGIII SPM E.4.4,
WGIII TS 6.5, WGIII Cross-Chapter Box 11 on Digitalization in Chapter 16}
Technology transfer to expand use of digital technologies for land use
monitoring, sustainable land management, and improved agricultural
productivity supports reduced emissions from deforestation and land
use change while also improving GHG accounting and standardisation
(medium confidence). {SRCCL SPM C.2.1, SRCCL SPM D.1.2, SRCCL SPM D.1.4,
SRCCL 7.4.4, SRCCL 7.4.6}
Climate resilient development strategies that treat climate,
ecosystems and biodiversity, and human society as parts of an
integrated system are the most effective (high confidence). Human
and ecosystem vulnerability are interdependent (high confidence).
Climate resilient development is enabled when decision-making processes
and actions are integrated across sectors (very high confidence).
Synergies with and progress towards the Sustainable Development
Goals enhance prospects for climate resilient development. Choices and
actions that treat humans and ecosystems as an integrated system build
on diverse knowledge about climate risk, equitable, just and inclusive
approaches, and ecosystem stewardship. |
{SRCCL SPM C.2.1, SRCCL SPM D.1.2, SRCCL SPM D.1.4,
SRCCL 7.4.4, SRCCL 7.4.6}
Climate resilient development strategies that treat climate,
ecosystems and biodiversity, and human society as parts of an
integrated system are the most effective (high confidence). Human
and ecosystem vulnerability are interdependent (high confidence).
Climate resilient development is enabled when decision-making processes
and actions are integrated across sectors (very high confidence).
Synergies with and progress towards the Sustainable Development
Goals enhance prospects for climate resilient development. Choices and
actions that treat humans and ecosystems as an integrated system build
on diverse knowledge about climate risk, equitable, just and inclusive
approaches, and ecosystem stewardship. {WGII SPM B.2, WGII Figure
SPM.5, WGII SPM D.2, WGII SPM D2.1, WGII SPM 2.2, WGII SPM D4,
WGII SPM D4.1, WGII SPM D4.2, WGII SPM D5.2, WGII Figure SPM.5}
Approaches that align goals and actions across sectors provide
opportunities for multiple and large-scale benefits and avoided
damages in the near term. Such measures can also achieve
greater benefits through cascading effects across sectors
(medium confidence). For example, the feasibility of using land for
both agriculture and centralised solar production can increase when
such options are combined (high confidence). Similarly, integrated
transport and energy infrastructure planning and operations can
together reduce the environmental, social, and economic impacts of
decarbonising the transport and energy sectors (high confidence). The
implementation of packages of multiple city-scale mitigation strategies
can have cascading effects across sectors and reduce GHG emissions
both within and outside a city’s administrative boundaries (very high
confidence). |
Such measures can also achieve
greater benefits through cascading effects across sectors
(medium confidence). For example, the feasibility of using land for
both agriculture and centralised solar production can increase when
such options are combined (high confidence). Similarly, integrated
transport and energy infrastructure planning and operations can
together reduce the environmental, social, and economic impacts of
decarbonising the transport and energy sectors (high confidence). The
implementation of packages of multiple city-scale mitigation strategies
can have cascading effects across sectors and reduce GHG emissions
both within and outside a city’s administrative boundaries (very high
confidence). Integrated design approaches to the construction and
retrofit of buildings provide increasing examples of zero energy or
zero carbon buildings in several regions. To minimise maladaptation,
multi-sectoral, multi-actor and inclusive planning with flexible
pathways encourages low-regret and timely actions that keep options
open, ensure benefits in multiple sectors and systems and suggest the
available solution space for adapting to long-term climate change
(very high confidence). Trade-offs in terms of employment, water
use, land-use competition and biodiversity, as well as access to,
and the affordability of, energy, food, and water can be avoided
by well-implemented land-based mitigation options, especially those
that do not threaten existing sustainable land uses and land rights, with
frameworks for integrated policy implementation (high confidence).
{WGII SPM C.2, WGII SPM C.4.4; WGIII SPM C.6.3, WGIII SPM C.6,
WGIII SPM C.7.2, WGIII SPM C.8.5, WGIII SPM D.1.2, WGIII SPM D.1.5,
WGIII SPM E.1.2}
Mitigation and adaptation when implemented together, and
combined with broader sustainable development objectives,
would yield multiple benefits for human well-being as well as
ecosystem and planetary health (high confidence). |
{WGII SPM C.2, WGII SPM C.4.4; WGIII SPM C.6.3, WGIII SPM C.6,
WGIII SPM C.7.2, WGIII SPM C.8.5, WGIII SPM D.1.2, WGIII SPM D.1.5,
WGIII SPM E.1.2}
Mitigation and adaptation when implemented together, and
combined with broader sustainable development objectives,
would yield multiple benefits for human well-being as well as
ecosystem and planetary health (high confidence). The range of
such positive interactions is significant in the landscape of near-term
climate policies across regions, sectors and systems. For example,
AFOLU mitigation actions in land-use change and forestry, when
sustainably implemented, can provide large-scale GHG emission
reductions and removals that simultaneously benefit biodiversity, food
security, wood supply and other ecosystem services but cannot fully
compensate for delayed mitigation action in other sectors. Adaptation
measures in land, ocean and ecosystems similarly can have widespread
benefits for food security, nutrition, health and well-being, ecosystems
and biodiversity. Equally, urban systems are critical, interconnected
sites for climate resilient development; urban policies that implement
multiple interventions can yield adaptation or mitigation gains with
equity and human well-being. Integrated policy packages can improve
the ability to integrate considerations of equity, gender equality
and justice. Coordinated cross-sectoral policies and planning can
maximise synergies and avoid or reduce trade-offs between mitigation
4.9 Integration of Near-Term Actions Across Sectors and Systems
The feasibility, effectiveness and benefits of mitigation and adaptation actions are increased when multi-sectoral
solutions are undertaken that cut across systems. When such options are combined with broader sustainable
development objectives, they can yield greater benefits for human well-being, social equity and justice, and
ecosystem and planetary health. (high confidence) |
115
Near-Term Responses in a Changing Climate
Section 4
and adaptation. Effective action in all of the above areas will
require near-term political commitment and follow-through, social
cooperation, finance, and more integrated cross-sectoral policies and
support and actions. (high confidence). {WGII SPM C.1, WG II SPM C.2,
WGII SPM C.2, WGII SPM C.5, WGII SPM D.2, WGII SPM D.3.2,
WGII SPM D.3.3, WGII Figure SPM.4; WGIII SPM C.6.3, WGIII SPM C.8.2,
WGIII SPM C.9, WGIII SPM C.9.1, WGIII SPM C.9.2, WGIII SPM D.2,
WGIII SPM D.2.4, WGIII SPM D.3.2, WGIII SPM E.1, WGIII SPM E.2.4,
WGIII Figure SPM.8, WGIII TS.7, WGIII TS Figure TS.29: SRCCL ES 7.4.8,
SRCCL SPM B.6} (3.4, 4.4) |
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