Green Hospitals: A Sustainable Approach to Enhancing Health Security and Protecting the Environment

A.M. Sara Latif Al-Khafaji

The fundamental mission of a hospital is to protect human health and treat patients with the goal of returning them to society as healthy and productive individuals, not to be a direct or indirect cause of harm to the healthy or the surrounding environment. However, traditional hospital operating models, with their associated excessive energy and water consumption, the generation of hazardous medical waste, and polluting emissions, have prompted researchers and policymakers to reconsider the environmental role of healthcare institutions. This has led to the emergence of the green hospital concept as a global trend seeking to align healthcare with the principles of environmental sustainability.

The Origins and Importance of the Concept
The green hospital concept emerged in response to growing evidence that the healthcare sector contributes significantly to global carbon emissions, in addition to its indirect environmental impacts (Eckelman & Sherman, 2016). This concept aims to provide high-quality healthcare without harming the environment, positively impacting the health of patients, staff, and society as a whole. The World Health Organization (WHO) has affirmed that environmentally friendly hospitals are a fundamental element in building climate-resilient healthcare systems (WHO, 2017).

Motivations for Transitioning to Green Hospitals
The motivations for this transition are threefold: health-related, environmental, and economic. The more energy and water a hospital consumes, the higher the production of toxic waste and emissions, thus amplifying long-term health risks. Reports from the World Green Building Council indicate that adopting green building principles contributes to reducing emissions and improving resource efficiency, in addition to enhancing the indoor environment of healthcare facilities (WGBC, 2018). Studies also show that the long-term cost of transitioning to green hospitals is lower compared to the costs of continuing with unsustainable operating models (World Bank, 2019).

Transition Mechanisms and Safety Initiatives
The transition to green hospitals relies on a set of integrated initiatives, most notably:

Improving energy efficiency through the use of energy-efficient lighting systems, high-efficiency medical equipment, and reliance on renewable energy sources.

Sustainable architectural design that promotes natural lighting and good ventilation, improving indoor air quality and reducing the need for artificial air conditioning. Proper management of medical waste through segregation, treatment, and safe recycling.

Water conservation through the use of low-flow plumbing systems and rainwater reuse.

Indoor air quality is a crucial element in green hospital design, given its direct link to the health of patients and staff, as emphasized by numerous initiatives in this field (WHO, 2017).

Practical Examples
Practical experience demonstrates the success of this approach. California Pacific Medical Center implemented environmental solutions that included rainwater harvesting for irrigation and cooling systems, along with improved thermal insulation and smart lighting control systems, resulting in a significant reduction in energy consumption compared to the average US hospital (USGBC, 2019).

UPMC Children’s Hospital of Pittsburgh also adopted environmentally friendly building materials, carbon dioxide monitoring systems, and light pollution reduction measures, earning LEED certification, one of the most prominent global green building standards (U.S. Green Building Council, 2019).

Environmental, Economic, and Social Benefits
The World Green Building Council categorizes the benefits of green buildings into three interconnected dimensions. Environmentally, green hospitals contribute to reducing greenhouse gas emissions. Australian studies have shown a 62% reduction in emissions for green-certified buildings compared to conventional buildings (Taher PH, Husein HA, 2025).
Economically, green building leads to lower operating and energy costs and increases the value of real estate assets, with green buildings recording an increase of approximately 7% in their market value (Dodge Data & Analytics, 2021).

Socially, studies have shown improved cognitive performance and sleep quality among employees in green buildings, resulting from improved natural lighting, indoor air quality, and increased environmental awareness within the community (Latif EK, Handal QA, 2024).

International Initiatives for Transformation
International initiatives play a pivotal role in supporting this transformation, most notably the Health Care Without Harm network, which works to help countries and healthcare institutions reduce their carbon footprint. In Peru, dozens of healthcare facilities participated in training programs to join the Green Hospital Network, while Colombia launched a national project to assess the carbon footprint of its healthcare system, the first of its kind in South America (HCWH, 2020). More than 50 countries have also committed to developing low-carbon healthcare systems as part of global efforts related to the United Nations Climate Change Conference (COP26).

Conclusion: This review of experiences and studies demonstrates that the transition to green hospitals is no longer a secondary option, but rather a health, environmental, and economic imperative. A green hospital offers an integrated model of sustainable healthcare that simultaneously protects both people and the environment, prioritizes prevention over treatment, and enhances long-term resource efficiency. As this transition accelerates globally, green hospitals are expected to form the cornerstone of the future of sustainable healthcare systems.
المصادر:
Dodge Data & Analytics (2021) World Green Building Trends 2021. Bedford, MA: Dodge Construction Network.
Eckelman, M.J. and Sherman, J. (2016).Environmental impacts of the U.S. health care system and effects on public health, Environmental Science & Technology, 50(19), pp. 10477–10485.
Health Care Without Harm (2020) Global Green and Healthy Hospitals Agenda. Reston, VA: HCWH.
Latif EK, Handal QA. The role of green hospital requirements in implementing safe waste management: Analytical study in Tikrit Teaching Hospital. Tikrit Journal of Administrative and Economic Sciences, 21(70), 2025, 87-107.
Taher PH, Husein HA. Eco-Friendly Healthcare: Evaluating Green Roofs as a Sustainable Solution for Indoor Air Quality in Hospitals. Eurasian Journal of Science and Engineering, 11(3), 2025, 25-48.
U.S. Green Building Council (2019) LEED v4 for Healthcare. Washington, DC: USGBC.
World Bank (2019) Climate-smart healthcare: Low-carbon and resilient health systems. Washington, DC: World Bank Group.