Green roofs are the best.

i really want to do a green roof someday but would probably prefer a flat one! and a lawn wouldn't be green where i live, figuratively or literally...so it would be more like little succulents or something.

Looking at this has me wondering..... Is this house abandoned? It sure looks like it could be. Which means I wouldn't want THIS look on my roof.

Yes, this looks less like a green roof than a very poorly maintained regular roof. Green roofs don't usually have dirt and vegetation growing in the gutters as well.

GEESH !!! I have enough trouble with leaks in my roof. Why would I want to have to acutually water it on a regular basis??? It may look rellay cool but who needs another job?

spell check : actually:; opps!!

With proper moisture control, green roofs really save a lot in heating and cooling costs. Not to mention their storm water retention helps out and doesn't overload our storm sewers with fresh rain water.
All new homes should have sustainable green roofs with indigenous plants. It's so simple I don't know why people don't do it.
Plus, retrofitting an old roof to accomidate a light green roof isn't as daunting as it seems. A little research and a knowledgeable contractor will yeild great results.

We installed a greenroof in DC, and try to get others to do the same. It is an amazing thing in terms of energy savings, rainwater retention, and aesthetics. If you click on greenroof constrction on this flickr page, you can see the process from start to finish.
http://www.flickr.com/photos/81911961@N00/

Flat roof. I like.

This particular installation = ugly. But aesthetics aside its great!

Personally, I really am hoping or the push for urban agriculture, of which green roofs are a branch of.

As stated before, properly done, it can cut both heating and cooling costs, increase the lifespan of the roof itself, and helps deal with runoff and drainage quite well. Also, it can sometimes add to property values in some areas.

Even if you don't live in a major city, a green roof is a great idea, and can be fitted into more suburban and rural designs.

How would you mow this grass? Ha ha!, but seriously, it looks like a neglected roof rather than something intentional.

you don't mow it; you don't water it. It just is. And it provides great insulation. yeah, it's not a 'neat' and 'tidy' mowed and evenly green lawn, but it's not meant to be either. I've seen these in other scandinavian countries and love them.

What a great idea! It looks wonderful as well. I'm no botanist, but I bet that there are many different types of plants that could thrive to make it more or less aesthetically pleasing (climate to be taken into account of course).

I swear I have never seen this before, but I love on a flat roof! Greeps: that roof is awesome! I'm jelous.

With a roof like the one shown above, I wouldn't be at all surprised if a gopher popped out of the ceiling.

I don't like it!

When I was young, my mum wanted to grass over our roof... that sadly never happened. It was a 50s split level, and would have looked brilliant.

It cracks me up (and depresses me too) that people are stretching their minds, trying to think of ways to "mow" the grass on the roof.

We've become so...what? suburbanized?... that we can't see grass without imagining a lawnmower. Grass was around for a long time before mowing, people!

I love the idea of a green roof as long as its green in more than just color. It should be sustainable too. Here in Chicago, a roof of non-native grasses would require more natural resources to maintain than is sustainable.

If it was all one bright green even color it would be nice. It just looks like mold to me.

The unkempt look of that particular green roof is very appropriate for the house. It looks very quaint.