Quote:
Originally Posted by Azure
This is an interesting idea as well.
Regulation to require roof top 'forests' should be in place in every city / building where it could work.
Would a lot with HVAC costs.
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The problem is that an intensive green roof able to support trees needs to have ~1m of depth available above the roof deck, and would require a significant amount of upkeep.
I always see renderings of buildings with literal forests depicted growing from every horizontal surface, but the reality is it's just not really feasible.
Cities should, however, require new buildings to at minimum have a white roof surface, but strongly encourage an extensive green roof. It would equate to a large amount of energy saved, and would drastically reduce the urban heat island effect