In light of our discussions regarding green roof fires and insurance, I thought you might like to see an actual green roof fire: 
 

https://youtube.com/watch?v=fee_jsP1w6I%26hl%3Den%26fs%3D1%26rel%3D0
 
Are you convinced?  

Related Links: 

LiveRoof:  Green Roof Fire Test (YouTube)

Green Roof posts (GBLU)