Which Sustainable Building Practice Does The Photograph Show


Sustainable building practices have become increasingly important in recent years as the world looks for ways to reduce its carbon footprint and mitigate the effects of climate change. These practices encompass a wide range of techniques and technologies that aim to minimize the environmental impact of construction and promote the use of renewable resources. One popular sustainable building practice is the use of natural or recycled materials, energy-efficient design, and the incorporation of green spaces.

In this article, we will identify and discuss the sustainable building practice depicted in the photograph, and explore its benefits and relevance in the context of sustainable construction.

The Photograph

The photograph depicts a building with a large rooftop covered in plants and vegetation. The vegetation creates a lush, green space that contrasts with the surrounding urban landscape. This type of green rooftop is a clear example of a sustainable building practice that has gained popularity in recent years due to its numerous environmental and economic benefits.

Green Roofing as a Sustainable Building Practice

The sustainable building practice depicted in the photograph is known as green roofing, or living roofing. Green roofing involves the installation of a layer of vegetation, soil, and other organic materials on the roof of a building. This technique provides a number of environmental, economic, and social benefits, making it an attractive option for sustainable construction projects.

Key Features of Green Roofing:

  • Vegetation: Green roofs are covered with a variety of plants, including grasses, flowers, and even small shrubs and trees. These plants provide numerous environmental benefits, including carbon sequestration and the reduction of urban heat island effects.
  • Soil: The soil layer on a green roof acts as a natural filter, removing pollutants from rainwater and reducing the amount of stormwater runoff. This helps to improve water quality and reduce the strain on urban drainage systems.
  • Waterproofing: Green roofs are constructed with a waterproofing membrane that protects the building from water damage. This membrane also helps to regulate temperature and reduce energy consumption.
  • Insulation: The layer of vegetation and soil on a green roof provides additional insulation for the building, reducing the need for heating and cooling and saving energy.
  • Biodiversity: Green roofs provide a habitat for birds, insects, and other wildlife, helping to support urban biodiversity and promote ecological balance.

Benefits of Green Roofing

Environmental Benefits:

  • Reduces Urban Heat Island Effect: The vegetation on green roofs helps to absorb and deflect solar radiation, reducing the heat island effect in urban areas.
  • Improves Air Quality: Green roofs act as natural air filters, removing pollutants and carbon dioxide from the atmosphere.
  • Reduces Stormwater Runoff: The soil and vegetation on green roofs absorb and retain rainwater, reducing the strain on urban drainage systems and improving water quality.
  • Enhances Biodiversity: Green roofs provide a habitat for a variety of plant and animal species, contributing to urban biodiversity.

Economic Benefits:

  • Energy Savings: The insulation provided by green roofs can reduce the need for heating and cooling, leading to lower energy bills.
  • Extended Roof Lifespan: The vegetation and soil on green roofs act as a protective layer, extending the lifespan of the roof membrane and reducing the need for maintenance and repairs.
  • Property Value: Green roofs can increase the value of a property, making it more attractive to potential buyers or tenants.

Social Benefits:

  • Well-being: Green roofs provide a natural and calming environment, offering a peaceful retreat in urban areas and contributing to mental and emotional well-being.
  • Community Engagement: Green roofs can be used as communal spaces for residents, employees, or customers, fostering a sense of community and interaction.

Green Roofing and Sustainable Development

Green roofing is a valuable sustainable building practice that aligns with the principles of sustainable development and green building certification programs. By incorporating green roofs into new construction projects or retrofitting existing buildings, developers and building owners can contribute to a more sustainable and resilient built environment.

Green Building Certifications:

  • LEED (Leadership in Energy and Environmental Design): Green roofs contribute to several LEED credits, including sustainable site development, water efficiency, and energy performance.
  • BREEAM (Building Research Establishment Environmental Assessment Method): Green roofing can earn points in the category of land use and ecology, as well as energy and materials.
  • Green Globes: Green roofs are recognized as a sustainable building practice that can contribute to the overall environmental performance of a project.

Challenges and Considerations

While green roofing offers numerous benefits, there are also challenges and considerations to take into account when implementing this sustainable building practice.

Technical Considerations:

  • Structural Requirements: Green roofs add weight to the building structure, requiring careful planning and engineering to ensure that the roof can support the additional load.
  • Waterproofing and Drainage: Proper waterproofing and drainage systems are essential for the success of a green roof, preventing water infiltration and ensuring effective runoff management.
  • Maintenance: Green roofs require regular maintenance, including weeding, irrigation, and monitoring for any signs of plant stress or pest infestations.

Economic Considerations:

  • Initial Cost: The installation of a green roof can be more expensive than a traditional roof, requiring an initial investment that may be a barrier for some building owners.
  • Long-Term Savings: While green roofs offer energy savings and extended roof lifespan, the overall return on investment may vary depending on factors such as climate, building type, and maintenance costs.


In conclusion, the photograph depicts a sustainable building practice known as green roofing, which involves the installation of vegetation and soil on the roof of a building. Green roofing offers numerous environmental, economic, and social benefits, including improved air quality, reduced energy consumption, and enhanced biodiversity. This sustainable building practice aligns with the principles of sustainable development and can contribute to the overall environmental performance of a project.

As the demand for sustainable construction continues to grow, green roofing is likely to play an increasingly important role in the design and development of buildings. While there are challenges and considerations associated with green roofing, the benefits it offers make it a valuable and attractive option for developers, building owners, and communities looking to create a more sustainable and resilient built environment.

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