Eco-housing- The demand of the day

Anny | Jan 07, 2021


The building and construction sector is a  major source of environmental degradation. Its geographical spread, rapid growth rate, and the long lives of the structures being built the lead to widespread impacts affecting several generations. This makes this sector a  hot spot requiring careful analysis and begins intervention. The dynamics of current socio-economic systems ensure that the sector will continue to grow at a rapid rate. The development pathways of most Asian countries are symptomatic of these trends.

The application of eco-housing has the potential to reverse these trends. A central goal of this evolving concept is to achieve comfortable and healthy habitats at affordable costs, through low impact methods, consuming fewer resources than a standard habitat, and using environmentally friendly materials and products.

It also sets out to be a net producer of environmental and social goods by imitating the self-sustaining,   cyclic processes of nature.   In practice,   this will involve minimizing resource intensity leading to “dematerialization” and to “rematerialize” by using the bio-climatic features of the site to create environmental and social goods. Bio-climatic design principles and life cycle approach aids in this process. Eco-housing re-visits sustainable traditional architectural practices, explore the possibilities of modern technology and advocates the use of renewable resources.

This wide spectrum of objectives needs to be integrated across several mature disciplines and design objectives. Environment-friendly site planning, appropriate choices of materials and products, sustainable use of energy and water, provision of clean water, indoor environment quality and sanitation, wastewater and solid waste management, and proper operation and maintenance, are key areas of application of the concept. This calls for an effective interdisciplinary team with good project management skills. Integrated design and project management software could help in this process.

The need for Eco-Housing

Eco-housing has caught the attention of decision-makers in Asia, but a lack of real examples has prevented its adoption on a   larger scale.  To meet this need, UNEP and UN-HABITAT joined hands in 2004, to promote and demonstrate eco- housing as a key preventive measure in the Asia-Pacific region. They facilitated the establishment of a    Regional  Expert Group on eco-housing,  which recommended that the concept be taken forward through a project addressing four key areas: knowledge building,     educational initiatives, and networking and demonstration projects. Design     Guidelines were prepared to facilitate the demonstration projects and for dissemination. This publication is a compilation of these guidelines and the experience in implementing them.

The guidelines are expected to build awareness and capacity in the Asia Pacific region.   It also would challenge practitioners to take up more ambitious targets. Apart from the guidelines, this publication also introduces the readers to key concepts, technologies, and other useful resources.

                                                                                         need for Eco-Housing

The need for eco-housing Civilizations is often known by their architectural legacy.   We discover in them the accumulated wisdom of thousands of years, based on a deep understanding of sustainable patterns of living.  These priceless legacies are vanishing under the assault of the technologies and fashions let loose by the Industrial Revolution.

The rapid growth of the global economy and the rising trends in population and urbanization has raised concrete jungles over once verdant landscapes, threatening flora and fauna.  Social changes that accompany affluence such as the splitting up of the extended families into nuclear families and the demand for larger houses have added momentum to the increasing demand for housing. Builtup land increased from 0.23 billion global ha in 1961 to 0.44 billion global in   2001; an increase of   91.3%.   (WWF,   2004)

The informal sector is playing a major part in supplying the huge demand for housing. This often includes self-built houses, many of them illegal and mostly lacking infrastructure (UNEP DTIE, 2003. p.5)   a   combination of increasing quantities and decreasing qualities is straining the carrying capacity of the global ecosystem.   Taking into account its entire lifespan,  the built environment worldwide is currently responsible for up to 25 to 40% of energy use, 30 to 40% of solid waste generation, and 30 to 40% of global greenhouse gas emissions.

On the positive side, the building and construction sector have become the engines of economic growth in the modern era.   On average,   the sector provides   5   to   10%   of employment, mostly to unskilled workers, and accounts for 5 to 15% of the national GDP.

Guidelines for Eco-housing

Select an effective, multi-disciplinary design team. The team could include the owner, architects, engineers, and subject-specific experts

Make an assessment of the existing socio-cultural,   environmental, and economic conditions of the locality. The project needs to use and maximize the existing potential.

Develop a   vision statement.  The vision statement should clearly set out the goals, objectives,  and processes.  It should be based on the site assessment, resource availability, available best practices and technologies, and cost-effectiveness.     The project must also identify if the design goals intend to achieve improvements over the conventional standards,   e.g.,   better envelope standards than minimum energy codes, better water efficiency than the national codes. The goals need to be prioritized based on the needs and project constraints,   e.g., water quality and conservation may be a priority in tsunami-affected regions.

                                                          Guidelines for Eco-housing

  • Develop an action plan, budget, and time schedule.
  • Finalize appropriate procedures for contracting and contractor selection. Appropriate guidelines, specifications, and procedures should be laid within the contract document to meet eco-design objectives.
  • Try to ensure that all stakeholders are involved in different aspects of the project planning and implementation, to ensure that all factors are considered and to increase the acceptability of the project.
  • Develop simple indicators for regular monitoring and evaluation of the project progress and for social and environmental impacts of the project.
  • Develop a strategy to mitigate risks due to any possible disruptions to the achievement of the project goals. Sustainable site planning involves proper site selection,   site assessment, and site development.
  • Avoid using sites having a special value like agricultural land, cultural sites, wetlands, habitats of endangered species, etc.
  • Reuse land that has already been developed or a   more ambitious target could be to reuse land that is polluted.
  • Give special considerations for disaster-prone areas. For example in a tsunami-prone area, the site should be out of the safety buffer zone, at an elevated place, preferably not on slopes or near other steep slopes, and should avoid different floor levels.

About Author



Anny spent most of her time dwelling on useful things, and she drives all her research visible through her articles. Most of her unique and challenging topics include product reviews and descriptions of eco-friendly products and technologies. 

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