Solar may be getting cheaper, but it isn’t for everyone.

Green roofs are another interesting environmental solution to wasted roof space.

These roofs nurture the growth of endemic mosses and grasses helping increase biodiversity locally.

However until recently they were being constructed in a less than environmentally friendly way.

This new solution includes the use of rye flour and tree bark, as opposed to petroleum based plastics.

Green roofs can also protect and extend the life of the roof below!

http://www.riefagreenroof.co.uk/ – Who created this new solution

http://www.greenbuildingpress.co.uk/article.php?category_id=1&article_id=1879 – Original article