If your neighbor mentions their green roof you might think they have a moss problem. Maybe they are simply referring to the color. But you're unlikely to think that they have just had a mini ecosystem installed.
Simply put, green roofs are gardens on your roof. They come in all shapes and sizes and range from a simple layer of turf to bite-sized hanging gardens of Babylon.
But green roofs are not just aesthetic. They have important environmental benefits: they absorb storm water, reduce noise pollution, absorb heat (thus lessening the urban heat-island effect) and add an extra layer of insulation to buildings. That's why they are increasingly being used on new builds as the construction industry looks to make use of greener technologies.. Read full article »