Informal settlements, commonly characterized by self-constructed housing on precarious land parcels, typically lack formal recognition and access to essential services. This has left millions vulnerable to environmental hazards such as flooding, landslides, and poor sanitation. Conventional upgrading strategies, often reliant on heavy infrastructure and financial influx, have fallen short of addressing the complex spatial and social dynamics encountered on the ground. Gantner’s research takes a pivotal step back from traditional engineering-heavy models, proposing a paradigm that integrates natural processes and ecosystems to alleviate urban pressures and empower local communities.

At the core of this work is the concept that nature-based solutions harness ecosystem functions to provide cost-effective, sustainable, and socially inclusive outcomes. Examples such as urban green spaces, restored wetlands, and permeable surfaces do more than beautify cities—they contribute to stormwater management, air purification, temperature regulation, and biodiversity preservation. In informal settlements where impervious surfaces dominate and drainage is often compromised, leveraging these natural functionalities could substantially mitigate environmental risks while fostering healthier habitats.

Gantner’s study meticulously evaluates how NBS can be tailored to the socio-ecological realities of Sub-Saharan African informal settlements. Unlike wealthier urban contexts where green infrastructure might integrate seamlessly, these communities grapple with rapid population growth, tenuous land tenure, and limited governance frameworks. The research posits that for NBS to succeed, they must be embedded within participatory planning processes, enabling residents to co-design and maintain nature-based interventions. This collaborative model not only ensures relevance and local ownership but also strengthens social capital, a crucial asset in vulnerable neighborhoods.

A transformative dimension underscored throughout the study is the intersectionality of NBS benefits. For instance, rehabilitating urban wetlands not only reduces flood risks but also provides water filtration, habitat restoration, and urban agriculture opportunities. This multifunctionality enhances food security, public health, and climate resilience simultaneously—key outcomes for informal settlements contending with intersecting vulnerabilities. The research advocates re-envisioning urban spaces as multifunctional landscapes that dissolve rigid infrastructural boundaries and embrace ecological complexity.

Furthermore, Gantner highlights innovations in low-cost and decentralized NBS technologies that are particularly suited for resource-constrained settings. Bioswales, vegetated terraces, and rain gardens utilizing native plant species offer affordable options that can be implemented incrementally. These solutions circumvent some of the logistical and financial barriers associated with large-scale municipal interventions, allowing communities to take immediate action. Evidence from pilot projects in select Sub-Saharan cities demonstrates promising results in stormwater retention and microclimate improvement, validating the approach’s practical applicability.

The policy implications of adopting nature-based solutions are profound. Urban planners and policymakers face the task of integrating these green infrastructures within broader city frameworks, zoning laws, and environmental regulations. Gantner’s research calls for adaptive governance models that recognize informal settlements as legitimate urban components deserving investment and support. This would require regulatory reforms that facilitate innovative land-use arrangements and incentivize community-led ecological restorations.

Critically, the research draws attention to potential challenges inhibiting widespread adoption of NBS in informal settlements. Barriers such as insecure land tenure, informal governance structures, and limited technical expertise risk undermining sustainability. Addressing these demands an intersectoral approach, combining urban planning, environmental science, social policy, and community engagement. Capacity-building initiatives and knowledge transfer platforms can play pivotal roles in bridging gaps between scientific innovation and grassroots implementation.

Climate change projections add urgency to the adoption of nature-based solutions in vulnerable urban environments. Sub-Saharan Africa is expected to experience increased rainfall variability, prolonged droughts, and temperature extremes, exacerbating the already precarious living conditions in informal settlements. NBS, with their adaptive and regenerative characteristics, present a viable strategy to enhance resilience. Green infrastructure’s ability to store carbon, regulate microclimates, and buffer storm impacts aligns with climate adaptation and mitigation objectives on multiple scales.

From a socioeconomic perspective, nature-based upgrading efforts can catalyze livelihood opportunities by generating green jobs linked to ecosystem restoration, urban agriculture, and environmental monitoring. Gantner’s analysis suggests that integrating economic incentives with ecological interventions could stimulate local economies, reduce poverty, and improve health outcomes. The co-benefits extend beyond the environment, fostering inclusive urban development pathways that embed social justice principles.

Importantly, the study emphasizes the significance of knowledge exchange between local communities, scientists, and municipal authorities. Traditional ecological knowledge possessed by residents can enrich scientific understanding, ensuring the contextual relevance of NBS designs. In return, empirical research and technological advancements can empower communities with evidence-based strategies to safeguard their environments sustainably. This bidirectional flow of information forms the backbone of transformative, resilient urban upgrading.

Technology also plays a role in scaling nature-based solutions. Remote sensing, geographic information systems (GIS), and data analytics enable detailed mapping of ecological vulnerabilities and monitoring of NBS performance. Mobile applications can facilitate community reporting and maintenance scheduling, enhancing real-time responsiveness. Gantner envisions a future where digital platforms integrate with green infrastructure to optimize resource allocation and track sustainability indicators within informal settlements.

Yet, the path forward requires strategic financing mechanisms tailored to the economic realities of Sub-Saharan Africa. Blended finance models, involving international donors, private investors, and local governments, could mobilize sustaining capital for NBS initiatives. The affordability and incremental scalability of many nature-based interventions align well with such diversified funding portfolios, encouraging long-term investments in urban resilience.

In conclusion, Gantner’s pioneering research in npj Urban Sustainability articulates a compelling vision wherein nature-based solutions become central to upgrading informal settlements in Sub-Saharan Africa. By embracing ecological processes, participatory governance, technological innovation, and social inclusivity, these strategies redefine urban sustainability in contexts too often marginalized. As cities in the Global South expand beyond traditional planning paradigms, NBS offer a blueprint for democratic, regenerative, and climate-resilient urban futures that empower citizens and nurture ecosystems alike.

The implications of this research are expansive, signaling a paradigm shift in sustainable urbanism that transcends region-specific challenges. Nature-based solutions, once regarded as supplementary, now emerge as indispensable pillars for equitable city development merging human well-being with planetary health. For informal settlements wrestling with rapid growth and climate uncertainty, these green infrastructures symbolize a hopeful synthesis—where nature and humanity co-create vibrant, sustainable habitats for generations to come.

Subject of Research: Nature-based solutions for upgrading informal settlements in Sub-Saharan Africa

Article Title: Exploring the potential of nature-based solutions in informal settlements upgrading: a transformative approach for Sub-Saharan Africa

Article References:
Gantner, G. Exploring the potential of nature-based solutions in informal settlements upgrading: a transformative approach for Sub-Saharan Africa. npj Urban Sustain 5, 74 (2025). https://doi.org/10.1038/s42949-025-00258-0

Image Credits: AI Generated

Myanmar’s capital relocation, initiated in the early 2000s and fully operational by the 2010s, was envisioned as a transformative strategy to decongest Yangon’s overcrowded urban fabric and create a modern administrative hub in Naypyidaw. The latter, a planned city situated approximately 320 kilometers north of Yangon, was designed with wide boulevards, expansive government complexes, and impressive infrastructure, signaling Myanmar’s ambitions to project modernization. However, economic evaluations grounded in empirical data have begun to shed light on the unintended consequences and nuanced economic impacts of this monumental endeavor.

Contrary to the anticipated distribution of economic activity, evidence suggests that the economic losses sustained by Yangon since the capital’s shift far outweigh the near-term economic gains realized by Naypyidaw. Yangon, Myanmar’s principal commercial center historically, has witnessed significant declines in business activity, real estate valuations, and foreign investment interest, phenomena closely tied to the outflow of government institutions and personnel. The capital’s administrative functions had served as a vital economic engine, driving consumption patterns, services demand, and infrastructural upkeep. The relocation severed these economic linkages abruptly, revealing the inherent risks in relocating the macroeconomic pivot of a country without parallel measures to stimulate the original urban economy.

Naypyidaw’s economic ascendance, while notable in the initial years following the move, appears constrained and concentrated predominantly within government sectors. Unlike Yangon’s diversified economy, Naypyidaw’s growth is largely dependent on public administration and limited ancillary services, constraining broader economic dynamism and innovation. This lopsided growth model raises questions about the viability of planned capital relocations as engines for sustainable and inclusive economic expansion. The city’s infrastructure, although state-of-the-art, faces underutilization issues, and its population density remains markedly low, undermining economies of scale essential for vibrant urban economies.

Environmental considerations, often central to rationales for capital city relocation, have also been subjected to scrutiny in this context. Yangon’s persistent challenges with urban sprawl, air pollution, and inadequate infrastructure for waste management have not seen immediate remediation post-relocation. Urban sprawl, driven by demographic pressures and informal settlements, remains unabated, suggesting that merely relocating administrative functions does not automatically translate into comprehensive urban environmental improvements. The anticipated air quality benefits derived from reduced congestion and vehicular emissions in Yangon have materialized at best marginally, indicating a more multifaceted problem requiring integrated urban policy interventions.

Detailed spatial analysis reveals that population movements within and around Yangon have been dynamic, but not in ways that alleviate the central city’s density and strain. The economic magnetism of Yangon’s port facilities, commerce zones, and cultural vibrancy continues to attract migrants and businesses, preserving the high-density urban pattern detrimental to environmental quality. These urban dynamics imply that capital relocation alone is insufficient to counter deeply entrenched metropolitan problems, and that coordinated urban planning and governance reforms remain imperative.

Further complicating the economic evaluation is the significant fiscal cost of the city construction and subsequent maintenance of Naypyidaw. The massive capital outlay for infrastructure development and public sector resettlement diverted resources from potentially higher-yield investments such as industrial diversification, education, and health systems across Myanmar. This capital expenditure created a burden on the national budget, with opportunity costs that may not be fully captured in gross domestic product figures or short-term economic metrics, but which weigh heavily on long-term developmental trajectories.

Social dimensions must also be considered in assessing the broader impacts of the capital move. The relocation fragmented social networks among government workers and their families and disrupted established community ties in Yangon, contributing to indirect social costs. Moreover, Naypyidaw’s relatively isolated geographic location and underdeveloped urban amenities pose challenges for civically engaged governance and public participation, central to effective urban administration. This social restructuring presents a less visible but potent dimension of the economic impact, influencing workforce productivity, public service delivery, and social cohesion.

From an urban economics perspective, the Myanmar capital relocation underscores the limitations of top-down urban development models that prioritize administrative convenience over organic economic forces and local needs. The spatial economic externalities generated by such a relocation unfold over extended periods, necessitating patience and adaptive policy frameworks. Early assessments indicating lopsided economic impacts highlight the risks of designing capital cities that lack organic economic foundations and fail to synergize with the existing urban economic ecosystem.

International comparative experiences provide nuanced lessons in this regard. While countries such as Brazil and Tanzania have also relocated capitals with mixed success, Myanmar’s case distinctly illustrates the necessity of integrated policy approaches that align capital relocation with transportation networks, housing development, economic incentives, and environmental management. Capital relocation without these accompanying strategies risks exacerbating regional inequalities and urban neglect rather than promoting balanced national development.

In the wake of these findings, urban planners and policymakers in Myanmar confront a critical crossroad: to recalibrate capital development strategies that reconcile Naypyidaw’s infrastructure ambitions with sustainable economic diversification, and to intensify urban regeneration efforts in Yangon. This dual-focus approach demands a reimagining of urban policy frameworks that integrate public and private sector investments, environmental restoration initiatives, and social inclusion policies.

The case study of Myanmar’s capital relocation thus offers a cautionary tale to countries contemplating similar moves. It challenges the conventional wisdom that relocating administrative centers inherently solves metropolitan urban problems or stimulates disproportionate national economic growth. Instead, it advocates for comprehensive impact assessments, adaptive governance structures, and multi-sectoral cooperation as prerequisites for successful capital city transitions.

Looking ahead, further research is warranted to assess the long-term socio-economic transformations associated with Myanmar’s capital shift, including longitudinal studies on labor markets, demographic trends, and fiscal sustainability. Advanced geospatial analyses and econometric modeling could elucidate the causal mechanisms linking capital relocation to urban economic health, providing more nuanced insights to inform policy adjustments.

In conclusion, Myanmar’s capital city relocation illuminates the multifaceted economic trade-offs and urban challenges inherent in such monumental national projects. While the vision of a new administrative hub in Naypyidaw embodies aspirations for modern governance and spatial decongestion, the complex realities of economic displacement, environmental persistence, and social disruption underscore that strategic foresight and holistic policymaking remain indispensable. The nuanced outcomes observed serve as a powerful empirical contribution to the global discourse on urban development, capital relocation, and sustainable national growth strategies.

Subject of Research: Economic impacts of capital city relocation in Myanmar with a focus on urban economic dynamics, environmental factors, and fiscal consequences.

Article Title: Economic impacts of capital city relocation in Myanmar.

Article References:
Huang, X., Yan, H. & Zhang, Z. Economic impacts of capital city relocation in Myanmar.
Nat Cities 2, 299–303 (2025). https://doi.org/10.1038/s44284-025-00217-x

Image Credits: AI Generated

DOI: https://doi.org/10.1038/s44284-025-00217-x