How Green Roofs Can Help The Environment

Stephanie
Stephanie lives in Culpeper, Va. where she enjoys hiking in the Shenandoah National Park. She has always enjoyed being outdoors, either hiking, camping or working in her garden. She has a website, www.always-outdoors.com where she explores these topics and also writes reviews for various outdoor products.
Stephanie
Stephanie
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Go Green

Green Roof


Five Ways Green Roofs Help Our Environment

 

Green living or going green is a movement that has gained much popularity in recent years.  There are many areas in our lifestyle where we can apply the green living philosophy.  One of the most intriguing ways is to implement green roofs.

A green roof is exactly that—a roof that has been planted with some type of growing medium on top of a man made structure.  Green roofs can be made on top of office buildings, a private home or a small garden shed.  The main thing is that they are not planted in the ground, but in a man made growing medium which happens to be on the top of a building.

Green roofs always involve some type of waterproofing for the underlying roof.  You don’t want water leaking through the ceiling tiles.  To prevent this, a drainage system must be installed with a filter cloth to keep the soil where it belongs.  Then you need a growing medium in which to actually place your grass or plants.  As you can imagine, all of this can be quite heavy.  You may need a structural engineer to ascertain if your roof is sturdy enough to handle the weight.

The growing medium is available in two different weights.  There is the extensive and the intensive.  The extensive is less than six inches in depth.  Of course, it is lighter and less difficult to maintain, but you are limited in the type of vegetation that you can plant.  The intensive is more than six inches, heaver and requires more maintenance.  However, your choice of plant type is more diversified.

A simple green roof may support only grass.  A thicker medium could be used to grow vegetables or flowers.  This is a real bonus in a densely populated urban setting, because horizontal space is limited on the street level, but not on the tops of buildings.

Here Are Some Ways Green Roofs Can Help

  1. Some restaurants have actually grown produce for their own kitchens on the roof.  If you have a large enough roof space, green roofs can actually support community gardens. Imagine picking some fresh basil and tomatoes to take with you when you go home at the end of the day.  Add a little pasta and you’ve got a
target="_blank">simple Italian meal.  Some urban buildings actually create a park like atmosphere on their roofs.  Picture yourself sitting under an umbrella on the top of your building, taking a coffee break or eating lunch.  A good pair of binoculars would be nice to enjoy the bird activity in your roof top garden.
  • Green roofs do more than just provide additional garden space in a crowded urban environment.  They reduce heating and cooling costs.  They actually act as a type of insulator on the tops of buildings.  Instead of reflecting the sun’s rays, they absorb them.  This reduces the heat pollution in cities.  They also increase the efficiency of solar panels as their cooling effect  allows the panels to work more effectively.
  • They also absorb excessive rain from heavy downpours,  diminishing the amount of runoff in the city’s storm water systems, which helps to prevent soil erosion.  This is particularly important in older cities’ sewer systems that may combine waste water and storm runoff in the same drains.
  • Green roofs can also reduce air pollution by absorbing pollutants and gases.
  • Green roofs can also be a home for wildlife, such as birds and insects.  When trees, shrubs or plants are being chosen for the roof, try to include native species.  This is a good rule, whether you are planting on a roof or in a yard.  Native species are easier to maintain as they are suited for their particular climate.  They also offer the proper food for the local insects and birds.
  • Along with green roofs we also have green walls and living walls.  The idea is the same.  With a green wall, the plants are planted directly into the ground.  The plants grow up the outside of the building.  A living wall is really a vertical green roof.  The growing medium, the plants and irrigation system are incorporated into panels, that are then placed into the living wall.  In this case, the vegetation is not planted in the ground, but is placed directly into the wall itself.

    Now you know what a green roof is.  Green roofs can reduce heating and cooling costs and even provide space for urban gardening.  They help reduce excessive runoff into our streams and absorb dangerous pollutants in the atmosphere.  Green roofs are an important option for all those interested in “going green”.

     

    Comments


    1. Twitter:
      These are great tips indeed. Though not fruits and vegetables, even just the grass can be of great use and aid to keep our planet more desirable. Land is more rare even in our city but still we are not able to plant grass or vegetables in our roof because of the scarcity of water. We use the roof space to collect rain water that has to support us for the next 4-6 months. Anyway, for the cities where you don’t have water problem, you can do this and help our planet.
      Suresh Khanal recently posted..Tips On Building A Niche Blogging CommunityMy Profile

    2. I never heard of this before. I figured it would be about solar panels, solar furnaces or so on. I bet grass would help keep heating and cooling bills down quite a bit. I will definitely have to find out more about this. I love learning new things and finding out interesting ideas. Thanks for the read.


    3. Twitter:
      Hi Stephine
      I could not even imagine planting a garden on a roof as I live in the country anyway. If I did live in the city I would have gardens wherever I possibly could!

      You have listed some great reasons to create a green roof though..I especially love it when you go to a restaurant that has its own garden..
      Mitz Pantic recently posted..7 Reasons Why your WordPress Website is not Making MoneyMy Profile

    4. Wow! Your idea is great. I’m an avid supporter of Go Green! in our community because we really need to do something to save our Mother Earth. Your idea of making our roof tops a gardening place is very interesting. It will really help to reduce pollution and global warming.I will try to have my rooftop converted into a green roof soon!
      anne recently posted..PrivacyMy Profile

    5. thanks for this valuable information and you are right Green Roofs Can Help The Environment and help us so mush


    6. Twitter:
      Hello Stephanie,

      When I was studying environmental management at uni I had dreams of turning our Australian cities into green oasis with green roof tops on all the skyscrapers! You mentioned many of the great benefits to such a feat, but I would like to add another point – the social aspect of having a green space to go to during lunch break, etc to clear the head and breath in some oxygen : )

      Thanks for posting!

    7. patrecesmith3 says:


      Twitter:
      I wish I’ll see the day when all our buildings have green roof.I think that we can make a difference,a big difference in that matter, if tall buildings will start gardening in their roofs instead of putting a helepad on it. It will be a great help in my place where air quality is seriously degraded.:D

    8. Hi, Stephanie,
      I am interested in “going green” and was thinking of arranging the roof of the building to a green area…but not everyone from the building shares my opinion, so my hands are tied. I lost my nerves trying to persuade a few stubborn individuals of how it is beneficial to make this happen. So, after I failed in the convincing part, I realized I can at least make my little terrace greener…and so I did.Looks perfect. :)
      Kristina L. recently posted..Tactics Coupon CodeMy Profile

    9. The reducing heat by having a green roof is absolutely true.
      Ricardus recently posted..How to trigger ideas to write new articleMy Profile

    10. The concept of having green roofs is absolutely great. It’s what we need especially now that we are trying our best to make our environment to appear as better as before. I can personally say that these green roofs can really help us in the betterment of our environment.
      Maria Pavel recently posted..How to Pass the CNA TestMy Profile

    11. It would seem like more real estate developers would be building new projects with features such as green roofs, solar panels, and other green materials. There are so many benefits to using green technology. In your article, not only do you mention people having improved quality of life (rooftop gardens, fresh produce) but they probably have reduced energy costs due to the green roofs. Very interesting post. Thanks

    12. I heard before.There is a news report that Japanese pays attention to Green Roofs,Because there is limited acreage in their country.I think people should pay more attention to the Green living around the world.The world climate is worse than before.El Nino phenomenon etc.

    13. There are enormous examples where you will find Green is helping in several areas. When we talk about our future term “Green” will play an important role in development.
      Prachi recently posted..Top 61 Universities Uses Google Apps For EducationMy Profile

    14. My husband and I are researching the possibility of building a house out of straw bales. Dont laugh, there are no wolves to huff and puff it down (sorry standing joke amongst our friends) I wonder if we could incorporate a green roof into it somehow. We are looking for ways to be as thermally efficient as possible, plan to power the house completely by solar power (with back up generator but no mains power) and if a green roof would increase the efficiency of the solar panels then that may be the way to go. Hadn’t thought of a green roof… what a great idea!!
      Leanne

    15. I like the idea of freshly pick vegetables in restaurants , if ever there is a restaurant that has a service like this I will eat there everyday.

    16. This is such a great idea and great article! We’ve all seen green roofs before, and I understood the obvious benefit – green vegetation in the city, and the option to grow a vegetable garden, but I wouldn’t have considered the other reasons green roofs are beneficial to the environment! Improved insulation and a touch of ‘green’ inside the city is all I need to hear to be convinced!

    17. I love this idea! I bet it will start to catch on with personal homes as well, not just as something that businesses are doing. However, some of the great things about them- especially the fact that they’re great homes for wildlife- could potentially be a negative, I imagine. I love animals, but I don’t want them to share my indoor space! I’d be afraid they’d make their way inside if they were hanging out on the roof! But, maybe that’s a misconception.

    18. It’s obvious the many benefits that green roofs produce. This article clearly revealed many of them. The most difficult thing is getting people to go green. Your article should help in the process of doing so. Thank you for sharing.

    19. What a great idea I am a great believer in utilising our earth resources. The more that can be done will benifet everyone in the future.

    20. Sandra Jons says:

      It’s obvious the many benefits that green walls produce. This article clearly revealed many of them. The most difficult thing is getting people to go green. Your article

      should help in the process of doing so. Thank you for sharing.

    21. Lee Price says:

      I must admit that I had never even heard of Green Roofs before I came across this blog but it sounds like a brilliant idea in principle. I’m sure that it would not be everybody’s cup of tea but it is just one more way that people can help the environment and that’s only a good thing.

      Good tip for the restaurants as well, though I imagine that it would be a nightmare to maintain for larger chain restaurants.

    22. I think it’s a great idea, we just need builders, developers and councils to get behind these types of innovations so that they start creating more ‘green’ spaces. Hopefully these sort of ideas eventually be considered mainstream one day!

    23. Adamus Ray says:

      I’m always astounded by how people look over the opportunity to put a garden in their extra space. My wife and I have talked many times about how much extra space churches have that doesn’t get used six days out of the week. We should all take advantage of potential gardening space. The world is only getting smaller…


    24. Twitter:
      im actualy now trying to make a hidropon plantation . Just water falling into some PVC tubes , with just water you can grow anythink that you wish .

    25. Nice post. Green roofs really do have the potential to improve our living environment. We’ve done some work in this area lately and I’ve discovered that green roofs aren’t just eco friendly. They can look really well and add to quality of life.

    26. Ashley Hill says:

      Thanks..I hope this becomes a lot more popular in city areas especially.. It is a great use of otherwise wasted space and has many benefits.

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