Roof over boiler room

The roof over the boiler/ laundry room needs to be repaired at some point. Here's a before picture.

I found a cool "green" idea on re-nest.com with a modular green roof tiles and solar thermal panels for the hot water heater.

http://www.re-nest.com/re-nest/green-tours/green-tour-a-future-forward-foursquare-088001

http://www.2924wilson.com/solarPanels.html

Here are couple companies that manufacture modular green room systems...

Green Tech

http://www.greentechitm.com/pdf/RoofTop.pdf

GreenGrid

http://www.greengridroofs.com/system/faq.htm