Which of the following is an example of how green roofs help save costs?
1. Green roofs protect and maintain biodiversity
2. Green roofs improve air quality
3. Green roofs are a place for relaxation
4. Green roofs act as natural insulation.
1. Green roofs protect and maintain biodiversity
2. Green roofs improve air quality
3. Green roofs are a place for relaxation
4. Green roofs act as natural insulation.