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5,500
AR6_WGII
1,744
8
The combination of (seasonally) reduced water supply, growing water demand, declining water quality, ecosystem deterioration and habitat loss and low water governance could lead to increasing competition and conflict associated with high economic losses
high
2
train
5,501
AR6_WGII
1,744
9
This situation threatens human water security in the long term and poses an increasing risk to adaptation success in CSA
high
2
train
5,502
AR6_WGII
1,744
13
However, ‘hard path’ interventions are now strongly contested because negative effects exacerbate local water conflicts (Carey et al., 2012; Boelens et al., 2019; Drenkhan et al., 2019), potentially leading to increasing water demand, vulnerabilities and water shortage risks (Di Baldassarre et al., 2018), thereby limiting adaptive capacity
high
2
train
5,503
AR6_WGII
1,744
24
In recent years, the inclusion of IKLK in current adaptation baselines has attracted increasing attention, particularly in regions with a high share of Indigenous Peoples (NWS, SAN, SWS, NSA)
high
2
train
5,504
AR6_WGII
1,746
6
However, current realities in all regions show major challenges in implementing IWRM mechanisms and policies, related but not limited to political and institutional instabilities, governance structures, fragmented service provision, lack of economies of scale and scope, corruption and social conflicts
high
2
train
5,505
AR6_WGII
1,746
7
Many water-related conflicts in CSA are rooted in inequitable water governance that excludes water users from decisions on water allocation
high
2
train
5,506
AR6_WGII
1,746
12
Nevertheless, only a few experiences have been evaluated as successful due to insufficient implementation, low decision-making ability of some stakeholder groups and poor evidence-based approaches
medium
1
train
5,507
AR6_WGII
1,746
18
These funding deficits set important limitations on future water provision, adaptation to changing water resources and the achievement of the SDGs by 2030
high
2
train
5,508
AR6_WGII
1,746
20
In many parts of CSA the level of success of adaptation measures depends largely on the governance of projects and stakeholder-based processes and is closely related to their effectiveness, efficiency, social equity and sociopolitical legitimacy
high
2
train
5,509
AR6_WGII
1,746
21
Several PES experiences across CSA have been described as successful measures for watershed conservation and adaptation
high
2
train
5,510
AR6_WGII
1,746
29
Most barriers to advance adaptation in CSA correspond to soft limits associated with missing links of science–society–policy processes, institutional fragilities, pronounced hierarchies, unequal power relations and top-down water governance regimes
high
2
train
5,511
AR6_WGII
1,747
10
The direct social and economic consequences for the sector are evident in CA’s so-called Dry Corridor, with a growing dependence on food imports (Porkka et al., 2013), and these degrees of dependency make the region more vulnerable to price variability, climatic conditions (Bren d’Amour et al., 2016; ECLAC, 2018) and, therefore, to food insecurity in the absence of adaptation actions
high
2
train
5,512
AR6_WGII
1,747
12
Meanwhile, the more temperate part of SA in the south is projected to have agricultural production surpluses
low
0
train
5,513
AR6_WGII
1,748
5
Limited information regarding cost-benefit analyses of adaptation is available in the region and regarding avoiding maladaptation effects and promoting site-specific and dynamic adaptation options considering available technologies
medium
1
train
5,514
AR6_WGII
1,748
6
Climate information services has an important role in climate-change adaptation and there is a recognised gap between climate science and farmers
high
2
train
5,515
AR6_WGII
1,748
10
Barriers to financial access are present in the region, restricting effective adaptation to extreme weather events
high
2
train
5,516
AR6_WGII
1,748
15
Lack of finance and proper infrastructure is compounded by limited knowledge of sustainable farming practices and high rates of financial illiteracy
high
2
train
5,517
AR6_WGII
1,748
21
Agricultural technologies are not necessarily changing, but the economic activity is shifting to accommodate increasing climate variation and adapt to changes in water availability and ideal growing conditions
high
2
train
5,518
AR6_WGII
1,750
3
Crop–livestock–forestry systems are also important for climate-change adaptation as they provide multiple benefits, including the coproduction of food, animal feed, organic fertilizers and soil organic carbon sequestration (Sharma et al., 2016; Rodríguez et al., 2021), achieving mitigation and adaptation goals
high
2
train
5,519
AR6_WGII
1,750
5
Agroforestry has also proven to have protective benefits to obtain more stable, less fluctuating yields due to climate-related damage in coffee production
high
2
train
5,520
AR6_WGII
1,750
10
On one hand, they ensure the conservation of a very rich agrobiodiversity that is likely to meet the challenges of climate change
high
2
train
5,521
AR6_WGII
1,750
11
In the Andes, ancient technologies increased the quantity of crops produced and made it possible to cope with climatic changes and water scarcity, while nutrition conditions were improved
high
2
train
5,522
AR6_WGII
1,751
6
The ability to enrol stakeholders and include community-based initiatives can determine adaptation success, particularly considering their impact in the decision-making arena
high
2
train
5,523
AR6_WGII
1,751
26
Slum upgrading and built-environment interventions (housing and infrastructure improvement and provision) in informal settlements can enhance adaptation
high
2
train
5,524
AR6_WGII
1,752
1
The climate adaptation plans of several large CSA cities include efficient land use and occupation planning and urban control systems (comprising regulation, monitoring), fostering the articulation with housing and environmental policy (by means of intersectoral and multi- level governance), inhibiting and reducing the occupation of risk areas (mainly flooding and landslides risks); increasing population density in areas already served by infrastructure; expanding slum urbanisation and technical assistance programmes to improve and expand social housing
high
2
train
5,525
AR6_WGII
1,752
4
Those initiatives, associated with a housing policy that guarantees access to land and decent housing, represent a comprehensive intervention in vulnerable neighbourhoods for their adaptation to climate change, and CbA (community-based adaptation) strategies, including housing self-management and the participation of cooperatives, demonstrate the need and opportunity to transition to a transformative urban agenda that encompasses sustainable development, poverty reduction, disaster-risk reduction, climate- change adaptation and climate-change mitigation
high
2
train
5,526
AR6_WGII
1,752
5
Several large cities are implementing municipal risk management plans and management and restoration plans for hydrologically relevant areas, considering threats of drought and heat waves, integrated watershed management and flood control programmes
high
2
train
5,527
AR6_WGII
1,752
7
EWS and the use of mapping tools as undertaken in La Paz proved to be an effective adaptation measure in the face of increasing hydro-climatic extreme events (Aparicio-Effen et al., 2018).12.5.5.3.2 Green and Grey Infrastructure Hybrid solutions, combining green and grey infrastructure (GGI), have been adopted for better efficiency in flood control (Ahmed et al., 2019; Drosou et al., 2019; Romero-Duque et al., 2020), sanitation, water scarcity, landslide prevention and coastal protection
high
2
train
5,528
AR6_WGII
1,752
12
Managing water in cities in an adaptive way has been central to reducing impacts such as floods and contributes to water security
high
2
train
5,529
AR6_WGII
1,752
13
Many cities facing frequent heavy storms that impact mostly underprivileged communities, slums and vulnerable areas could benefit from integrated NbS for disaster risk reduction and adaptation
high
2
train
5,530
AR6_WGII
1,752
15
In several municipal climate plans, NbSs were introduced mainly to enhance rainwater management, reduce energy consumption and urban heat areas, improve water quality, prevent landslides and set aside green areas
high
2
train
5,531
AR6_WGII
1,753
7
The main proposed actions still consider the traditional approach in improving the hydraulic capacity of urban drainage systems as an adaptive measure
high
2
train
5,532
AR6_WGII
1,754
1
More recently, climate services, such as EWSs and forecast models, have been promoted for the health sector (WHO and WMO, 2012, 2016; WMO, 2014; Thomson and Mason, 2018) and are an important adaptation measure to reduce the impacts of climate on health
high
2
train
5,533
AR6_WGII
1,754
6
Epidemic forecast tools are an example of an adaptation measure being developed and/or implemented in this region
high
2
train
5,534
AR6_WGII
1,754
11
One of the most promising climate services for the health sector are heat and cold early-warning and alert systems
medium
1
train
5,535
AR6_WGII
1,754
15
The public dissemination of climate–health warnings via bulletins, websites and other outlets can be an adaptation measure to address climate change and weather variability to reduce health risks
high
2
train
5,536
AR6_WGII
1,754
29
Climate and health observatories represent a promising strategy that is being developed at sub-national, national (e.g., Brazil, Argentina) and regional levels
high
2
train
5,537
AR6_WGII
1,755
6
A Climate Change Vulnerability Index was used to generate vulnerability maps for countries of the Latin American and Caribbean region (Vörösmarty et al., 2013; CAF , 2014).12.5.6.4 Other Adaptation Actions Diverse adaptation measures are being implemented through public policies, private household responses and communal management that directly or indirectly reduce the impacts of climate change on human health
high
2
train
5,538
AR6_WGII
1,755
10
Adaptation strategies implemented by the public sector include a diverse suite of strategies ranging from the creation of green spaces in urban areas, relocation of families located in disaster-prone areas, ecosystem restoration and improved access to clean water, among many others
high
2
train
5,539
AR6_WGII
1,756
9
Sustainable financing and political support are needed to ensure the functioning of disaster EWSs
high
2
train
5,540
AR6_WGII
1,757
3
Those already suffering are losing their livelihoods and reducing their development options; poor populations and countries are more vulnerable and have lower adaptive capacity to climate change compared to rich ones
very high
3
train
5,541
AR6_WGII
1,757
6
Climate change has differential impacts, and even within a household there may be important differences in relation to age, gender, health and disability; these factors may intersect with one another
high
2
train
5,542
AR6_WGII
1,757
9
Poor and vulnerable groups are disproportionately affected in negative ways by climate change (Section 8.2.1.4; Section 8.2.2.3; SR15 Section 5.2 and Section 5.2.1, Roy et al., 2018) due to physical exposure derived from their place of residence or work, illiteracy, low income and skills, political and institutional marginalisation tied to a lack of recognition of informal settlements and employment, poor access to good-quality services and infrastructure, resources and information and other factors
very high
3
train
5,543
AR6_WGII
1,757
11
Researchers argue that poverty is mischaracterised and has multiple dimensions (Castán Broto and Bulkeley, 2013) (Section 8.1.1), that biodiversity loss, climate change and pollution will undermine efforts on 80% of assessed SDG targets, that biodiversity and climate change must be tackled together (Pörtner et al., 2021; United Nations Environment Programme, 2021) and due to the COVID crisis LAC countries have made uneven progress in terms of meeting SDGs
high
2
train
5,544
AR6_WGII
1,757
14
Climate change will be a major obstacle in reducing poverty
high
2
train
5,545
AR6_WGII
1,758
1
This suggests that caution in framing climate adaptation and resilience related interventions equally benefits everyone (high confidence) (Brown, 2014; Chu et al., 2016; Connolly, 2019; Romero-Lankao and Gnatz, 2019; Johnson et al., 2021) and that equality and justice dimensions should be incorporated into decision- making
very high
3
train
5,546
AR6_WGII
1,758
2
Poor rural households in marginal territories that have a low productive potential and/or that are far from markets and infrastructure are highly vulnerable to climate-change impacts and could easily fall into poverty-environment traps
high
2
train
5,547
AR6_WGII
1,758
12
Poverty and disaster risk reduction interlinked with climate-change adaptation share a focus on identifying and acting on local risks and their root causes, even though they view risk through different lenses
very high
3
train
5,548
AR6_WGII
1,758
13
Construction of climate knowledge and risk perceptions affect decision-making to define implementation priorities, but the poor are less able to cope with and adapt so as to avoid so-called adaptation injustices
high
2
train
5,549
AR6_WGII
1,758
18
Risks are seldom distributed equally, highlighting socioeconomic inequalities and governance failures
high
2
train
5,550
AR6_WGII
1,760
7
In Brazil, for example, it would be difficult to clearly separate climate-change adaptation and urban policies
high
2
train
5,551
AR6_WGII
1,760
11
Because there are asymmetries among populations regarding the vulnerability and benefits of adaptation, along the lines of gender, age, socioeconomic conditions and ethnicity, it has been noticed that adaptation policies and programmes must be adequate to diverse conditions and actors
very high
3
train
5,552
AR6_WGII
1,760
17
IKLK participation is thought to be more considered in adaptation policies because it yields good results
high
2
train
5,553
AR6_WGII
1,760
19
Approaches integrating IK with more formal sciences, to address research and policies, have improved adaptation processes, but they carry their own complications
high
2
train
5,554
AR6_WGII
1,761
3
In contrast, top-down approaches without citizen or community participation have shown to be less effective
high
2
train
5,555
AR6_WGII
1,761
9
In CSA, the awareness of climate change as a threat is increasing, a situation related to growth in climate justice activism and to the occurrence of extreme weather events of all kinds
high
2
train
5,556
AR6_WGII
1,761
16
In rural areas, it largely relates to temperature rise and changes in rainfall patterns, changes in agriculture (pests, calendars), biodiversity loss, solar radiation or changes in the oceans, and their impacts are sometimes related or even more attributed to socioeconomic and environmental drivers, as well as to negative financial outcomes
high
2
train
5,557
AR6_WGII
1,761
26
Often, for several economic and social reasons, women have less capacity to adapt, further widening structural gender gaps
high
2
train
5,558
AR6_WGII
1,762
2
Recent studies emphasise that a gender approach to social inequalities ought to move beyond just looking at men and women as experiencing impacts in a differentiated manner; rather, an intersectional analysis illuminates how different individuals and groups relate differently to climate change due to their situatedness in power structures based on context-specific and dynamic social categorisations
high
2
train
5,559
AR6_WGII
1,762
5
Particular constellations of race, gender, class, age or nationality reveal more complex realities
high
2
train
5,560
AR6_WGII
1,762
21
Migration to cities can mean opportunities for migrants and for urban areas, but it can also worsen existing problems, as urban poor people can become even more exposed and vulnerable, and the pressure on urban capacities may not be well absorbed
high
2
train
5,561
AR6_WGII
1,762
29
Some areas are more likely to generate climatic migration: the Andes, the dry areas of Amazonia, northern Brazil and northern countries in CA
high
2
train
5,562
AR6_WGII
1,763
32
Climate financing in CSA is mainly focused on mitigation actions
high
2
train
5,563
AR6_WGII
1,766
6
Therefore, there is a need to design adequate programmes and allocate resources for agroforestry system implementation and technical assistance and training
medium
1
train
5,564
AR6_WGII
1,766
10
These included the legal and regulatory feasibility, institutional capacity and administrative feasibility, transparency and political acceptability
high
2
train
5,565
AR6_WGII
1,766
21
This may be a potential barrier to the adaptive approach of multi-use water storage
medium
1
train
5,566
AR6_WGII
1,767
2
However, limitations in technical assistance and funding for specific key technologies and training may act as a barrier for EbA adoption
medium
1
train
5,567
AR6_WGII
1,767
19
Many of the new neighbourhoods were established through land invasions or informal markets, in many cases over steep slopes, in water sources and agricultural or conservation areas
high
2
train
5,568
AR6_WGII
1,767
22
Two impacts related to warmer air conditions are the displacement of the freezing line currently placed at 5100 MASL (Basantes-Serrano et al., 2016), followed by glacier retreat and the upward displacement of mountainous ecosystems
very high
3
train
5,569
AR6_WGII
1,767
24
Other important climatic hazards and impacts are the increase of solar radiation, the heat island effect and fires
high
2
train
5,570
AR6_WGII
1,768
2
The programme has direct impacts on nutrition, generation of work for women, production of healthy food, reduction of runoff, recycling of organic waste and social cohesion, among others
very high
3
train
5,571
AR6_WGII
1,768
9
Along the same lines, these areas constitute a key element to increase the adaptive capacity of rural livelihoods and contribute to mitigating climate change through landscape restoration, sustainable production and forest conservation
high
2
train
5,572
AR6_WGII
1,768
12
A major pending environmental issue is air pollution; a high level of pollutants affects the city in general and especially the most vulnerable groups
high
2
train
5,573
AR6_WGII
1,768
21
ADEs are characterised by their increased fertility in relation to adjacent soils, with high contents of organic carbon (C) (mainly as charcoal) as well as inorganic nutrients, especially phosphorus (P) and calcium (Ca) and high carbon/nitrogen ratios
high
2
train
5,574
AR6_WGII
1,768
23
Charcoal content is a key indicator of pre-Hispanic fire activity and sedentary occupation, which is evidence of the anthropic origin of these soils
high
2
train
5,575
AR6_WGII
1,769
18
Located on the Pacific coast with more than 10 million inhabitants, it suffers from flooding, mudslide disasters and water stress, and is more frequently affected by heavy rain peak events (1970, 1987, 1998, 2012, 2014, 2015 and 2017)
very high
3
train
5,576
AR6_WGII
1,769
20
Climate-change scenarios were ignored or denied, particularly when budget allocations for preventive actions were necessary
high
2
train
5,577
AR6_WGII
1,770
9
Impacts on human settlements, agriculture and ecosystems result from both excess and reduced precipitation
high
2
train
5,578
AR6_WGII
1,770
14
Its effects were felt in different parts of the world, and Guatemala and the rest of CA experienced intense water scarcity due to a significant reduction in rainfall
high
2
train
5,579
AR6_WGII
1,770
19
A lack of regulation, coordination mechanisms, information and other elements of water governance was the root cause of the problem, exacerbated by the drier conditions during the intense El Niño event, resulting in the intensification of an existing conflict
high
2
train
5,580
AR6_WGII
1,770
30
Local governance was also essential for the implementation of flood risk management actions
high
2
train
5,581
AR6_WGII
1,771
1
Although some may argue that water governance is in the realm of development, it has made contributions in reducing direct and indirect impacts of climate events and, therefore, can be seen as a key element for climate adaptation
high
2
train
5,582
AR6_WGII
1,774
7
Poverty and extreme poverty rates are higher among children, young people, women, Indigenous Peoples and migrant and rural populations, but urban extreme poverty is also growing
very high
3
train
5,583
AR6_WGII
1,774
9
Most countries in CA are already ranked as the highest risk level worldwide due to the region’s high vulnerability to climate change and low adaptive capacity; the lack of climate data and proper downscaling are challenging the adaptation process
high
2
train
5,584
AR6_WGII
1,774
10
Many extreme events are already impacting the region and are projected to intensify; such events include warming temperatures and dryness, SLR, coastal erosion and ocean and lake acidification, resulting in coral bleaching and an increasing frequency and severity of droughts in some regions, with a concomitant decrease in water supply, which impact agricultural production, traditional fishing, food security and human health
high
2
train
5,585
AR6_WGII
1,774
15
Urban areas in the region are vulnerable for many reasons, notably high rates of poverty and informality, poor and unevenly distributed infrastructure, housing deficits and the recurrent occupation of risk areas
high
2
train
5,586
AR6_WGII
1,774
22
The high poverty level increases the region’s vulnerability to droughts, both in cities and rural areas, where people already suffer from natural water scarcity
high
2
train
5,587
AR6_WGII
1,774
24
IKLK play an important role in adaptation but are also threatened by climate change
high
2
train
5,588
AR6_WGII
1,774
26
Inadequate access to finance and technology is widely identified as an adaptation barrier
high
2
train
5,589
AR6_WGII
1,774
28
Subsistence farmers and the urban poor are expected to be the most impacted by droughts and variable rainfall in the region
high
2
train
5,590
AR6_WGII
1,774
32
Internal and international migrations and displacements are expected to increase
high
2
train
5,591
AR6_WGII
1,774
33
Climatic drivers, such as droughts, tropical storms and hurricanes, heavy rains and floods, interact with social, political, geopolitical and economic drivers
high
2
train
5,592
AR6_WGII
1,774
41
The lack of climate data and proper downscaling, weak governance, obstacles to financing, and inequality constrain the adaptation process
high
2
train
5,593
AR6_WGII
1,775
3
The number and type of adaptation measures for ocean and coastal ecosystems and their contributions to humans are very different among CSA countries, which highlights the number of measures related to increasing scientific research and monitoring followed by the conservation of biodiversity and changes in legislation
high
2
train
5,594
AR6_WGII
1,775
5
In the water sector, a lack of systematic analysis and evaluation of adaptation measures predominates, although important progress has been made since AR5 in terms of understanding the interlinkages among climate change, human vulnerabilities, governance, policies and adaptation success
high
2
train
5,595
AR6_WGII
1,775
7
Climate change poses several challenges to the agri-food sector, impacting agricultural production and productivity and posing a risk to food security and the economy
high
2
train
5,596
AR6_WGII
1,775
8
Adapting agriculture while conserving the environment represents a challenge for sustainable and resilient food production
high
2
train
5,597
AR6_WGII
1,775
9
Adaptation in the region presents persistent barriers and limitations (Table 12.8) associated with investments and knowledge gaps
medium
1
train
5,598
AR6_WGII
1,775
11
Urban adaptation is limited by financing constraints, weak intersectoral and multi-level governance and deficits in the housing and infrastructure sectors, the overcoming of which represents an opportunity for transformative adaptation
high
2
train
5,599
AR6_WGII
1,775
12
Short- term interventions are more common than long-term planning
high
2
train