PhD in Geography, Associate Professor Tarana Firqat Yusibova
Head of the Department of Physics and Ecology, Mingachevir State University

Climate change is no longer a forecast for the distant future; it is already a daily reality for modern cities. Alongside accelerating urbanization, urban environments have become increasingly vulnerable to extreme weather events. One of the most significant challenges facing cities today is adaptation to the impacts of climate change. Climate change is no longer solely a global environmental issue but also a critical factor directly affecting urban life, infrastructure, water management, energy consumption, and human health.

In recent years, the following trends have been observed:

• Rising air temperatures
• Uneven distribution of precipitation
• Increase in short-term intensive rainfall
• Growing pressure on water resources
• Intensification of the urban heat island effect

These factors indicate that urban environments are becoming increasingly sensitive to climate-related risks.

Under such conditions, urban development must be planned not only from economic and architectural perspectives but also in an environmentally and climatically sustainable manner. In this regard, one of the approaches widely discussed in global urban planning practice in recent years is the “Sponge City” concept. But what is the essence of this concept?

The Sponge City concept is an urban planning approach aimed at increasing a city’s ability to absorb, infiltrate, filter, collect, and reuse rainwater.

In traditional urban environments, asphalt, concrete, and other impermeable surfaces prevent rainwater from naturally infiltrating into the soil. As a result, rainwater rapidly flows away, causing:

• Additional pressure on sewage systems
• Flooding of streets and roads
• Reduced replenishment of soil moisture and groundwater reserves

The Sponge City model seeks to transform this process, making cities more flexible and resilient to water-related challenges. In this sense, the Sponge City concept is not only a technical solution but also an ecologically based urban management model.

This concept could be particularly relevant for a city like Mingachevir, which holds strategic importance in terms of water resources, industrial development, and urban growth. Mingachevir is one of Azerbaijan’s major industrial and energy centers and also possesses a closely interconnected urban-ecological system linked to the Kura River and the Mingachevir Reservoir. These characteristics provide both advantages and environmental sensitivities.

Key Advantages of Mingachevir:

• Proximity to water resources
• Potential for greenery and parks
• Opportunities for planned urban development
• Availability of extensive public and educational zones

Although the city’s industrial potential and geographic location provide major advantages, they also create ecological vulnerabilities such as extreme summer heat, the urban heat island effect, and inefficient rainwater management. These issues indicate that climate-adapted and ecologically responsive urban planning approaches are essential for Mingachevir’s future development.

The Sponge City model offers an optimal solution for turning these challenges into opportunities.

1. More Efficient Rainwater Management

A significant portion of rainwater in Mingachevir is rapidly drained away from the city. However, collecting and managing this water locally could reduce flood risks and enable more rational water use.

A practical example is Wuhan, China, which once suffered severe flooding during heavy rainfall. Through its Sponge City project, the city replaced impermeable concrete surfaces with permeable materials and created extensive rain gardens.

Applying a similar model in Mingachevir could:

• Allow rainwater to pass through special drainage layers, where it would be filtered and replenish groundwater reserves
• Reduce dependence on drinking water for irrigating parks and public green spaces
• Redirect Kura River water toward more strategic needs rather than technical purposes
• Store water in soil and reservoirs, promoting evaporation and reducing urban heat island effects during summer

2. Reducing the Urban Heat Island Effect

To address Mingachevir’s summer heat problem, the Green Corridors Project in Medellín, Colombia, offers a strong example. In this city, rising temperatures caused by urbanization were reduced by 2°C to 3°C through targeted green infrastructure.

Applying this approach in Mingachevir would improve public health, strengthen climate resilience, and increase energy efficiency.

Potential benefits include:

• Dense tree planting along streets to block direct sunlight from heating asphalt surfaces
• More comfortable pedestrian mobility
• Green walls and rooftop vegetation to lower internal building temperatures and reduce air-conditioning demand
• Use of water resources for fountains and small canals in parks to enhance humidity and natural cooling through evaporation

3. Strengthening Ecological Sustainability

The Sponge City approach not only reduces climate risks but also restores natural ecosystem functions.

This has been demonstrated in Rotterdam, Netherlands, through projects such as Water Squares and Green Corridors.

For Mingachevir, this could lead to:

• Reduced concrete-covered areas, increasing soil permeability and preventing erosion
• Better groundwater recharge and soil balance
• Creation of habitats for birds, beneficial insects, and native plants through green roofs, constructed wetlands, and rain gardens
• Natural filtration of rainwater before it returns to the Kura River
• Integration of urban infrastructure with river ecosystems

For a riverside city like Mingachevir, this could be especially significant and may support the development of a green economy and ecological tourism.

4. Building a Sustainable Urban Development Model

Integrating the Sponge City approach into Mingachevir’s long-term development strategy would transform the city into a self-regulating, sustainable ecosystem rather than simply a collection of buildings.

A successful example is Copenhagen’s Cloudburst Management Plan, which proves that urbanization does not need to conflict with nature.

For Mingachevir, this could enable:

• Small artificial ponds and rain gardens in educational institutions, serving both water management and educational purposes
• Permeable asphalt and specially drained pedestrian paths to reduce pressure on underground infrastructure
• Rainwater harvesting systems on rooftops for technical building needs
• Ecological regeneration of the Mingachevir Boulevard with water retention zones
• Stronger integration of urban planning and ecological design
• Increased real estate value and attraction of new investments

This would help position Mingachevir as a future “Smart and Green City.”

Conclusion

The Sponge City concept is not merely an infrastructure project for Mingachevir; it represents a sustainable development model that can strengthen climate resilience, improve economic efficiency, and significantly enhance residents’ quality of life.

From the perspective of climate adaptation, the Sponge City concept is a relevant, practical, and forward-looking solution for Mingachevir. The successful cities of the future will not simply be large or modern—they will be cities that harmonize with nature, protect public health, manage water resources effectively, and adapt successfully to climate change.

It is hoped that Mingachevir will become one of these cities.