The best replacement for green roof is white roof.

The best alternatives to green roof are rated as following:
★★★★★  white roof
★★★★★  conventional roof
★★★  roof garden
★★★  cool roof
★★  brown roof
★  blue roof
★  intensive
  traditional roof

Your alternative for green roof is not listed? Suggest!
Speaking about green roof, one probably shouldn't forget about white siding.

Other search terms related to green roof and their ratings are:
★★★★★ white siding
You have in mind a companion for green roof and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of green roof in all years. Click on graph for more.
green roof
white roof
conventional roof