6 votes
Accepted

Are green roofs more sustainable than roofs with photo voltaic?

The two are not mutually exclusive, and in fact installing PV panels over a green roof improves PV performance anywhere from 1 to 10% due to the cooling effect of the green roof. From the presentation ...
LShaver's user avatar
  • 11.8k
6 votes

How much temperature reduction will I get from a green grass-covered roof?

Green roofs help reduce heat significantly. For example in this study Mean daily temperature reductions achieved were 18.0 °C at the soil surface and 27.5 °C below the module and this EPA study ...
THelper's user avatar
  • 14.5k
2 votes

Best vegetables for roof top garden?

I'd go for a quick green leafy crop, silverbeet, kale or spinach in the winter, lettuce or rocket in the summer. Those are all shallow rooted and will recover from being too hot and dry for a day if ...
Ⴖuі's user avatar
  • 1,307
1 vote

Are green roofs more sustainable than roofs with photo voltaic?

I would put these two things in separate categories of sustainable technology. Green roofs are sustainable in the sense that the provide extra insulation and the building the cover will require less ...
connor's user avatar
  • 53

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