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This study examines built environment professionals' perceptions of vertical greenery systems in Delhi, a city confronting rapid urban growth and climate change challenges. Through a detailed mixed-methods approach using an online survey, this study evaluates the perceived benefits and challenges of such systems. The results indicate cautious optimism, with nearly 39% of respondents having prior experience and acknowledging their aesthetic and environmental benefits, including reducing urban heat and improving air quality. However, concerns regarding technical implementation and regular maintenance of vertical greenery systems emerge as significant barriers. This study highlights the critical need for inclusive urban planning strategies that embrace nature-based solutions, such as vertical greenery systems, to combat urban sustainability challenges considering Delhi's distinctive climate. Furthermore, it underscores the importance of addressing the uncertainty among building owners and policymakers towards adopting these systems, despite their recognized potential for climate change mitigation. The findings advocate for further research and targeted policies to facilitate the broader application of vertical greenery systems, not only in Delhi, but also in urban settings globally facing similar environmental pressures, thereby contributing to the discourse on urban sustainability and climate resilience.
Khan et al. (Thu,) studied this question.