Landscape & Urban Design Issue 38 2019 | Page 62

HOW GREEN ROOFS ARE AIDING THE URBAN ENVIRONMENT It is widely acknowledged and So, as well as the health benefits are Its worth noting that including a green accepted that green spaces are there any others to justify the cost? roof in your planning might make it important to health and wellbeing. Quite simply, yes – numerous! Green easier to gain planning permission. Numerous studies have shown that roofs are a simple means of supporting BREEAM (the Building Research utilising green spaces boosts the and increasing bio-diversity. By Establishment’s Environmental wellbeing of urban dwellers; improving planting wildflowers, sedum or other Assessment Method) is a method both physical and mental health. flowering plants a green roof space can used to assess a development or provide a range of ecosystem services building’s sustainability with regard and mitigates the ecological impact of to a series of ten different categories. construction. There are huge benefits Incorporating a green roof into your to the environment by reducing air project will earn you BREEAM points, and noise pollution. As with any the number will depend on a number green-covered planted area, a green of factors which includes the purpose roof will help to lower levels of CO2 of the green roof, whether for energy (carbon dioxide) in the air which has efficiency, ecology etc With space being at a premium, planners and designers in towns and cities have been rising to the challenge of coming up with creative solutions. Creating green spaces on top of buildings, known as Roof Gardens, Green Roofs or roof garden terraces has been one such response and has proved popular with designers, planners and citizens. Green spaces on roofs which are accessible to the local community as a social space for citizens to relax and enjoy nature is becoming increasingly common in new development plans. 62 Landscape & Urban Design Issue 38 2019 an overall positive effect on the local environment as well as contributing to the wider global warming issue. Green roofs are widely acknowledged to counter the urban heat island effect and aid with flooding by slowing down storm water or attenuating it via a Blue Green roof.