-With land becoming more and more scarce, several folks have proposed planting community gardens under power lines. In California, there is a new push and in 2012 a Torontonian won a design award for the same idea.
-The benefits of green infrastructure are at least a dozen fold. But historically it has been difficult to quantify how much a green roof or green wall can increase rental and property values or reduce the cost associated with flooding. The NRDC thought it was about time that these issues were addressed.
-Sydney, Australia has a new draft green roof and green walls policy. I am not sure how this is different than the last one. The next step for Sydney is incentives! That would be exciting!
he
 draft policy and implementation plan promotes the measures as a means 
of improving air quality, supporting biodiversity and creating new 
places for relaxation in the city centre.
At the moment, there are around 96,000 square metres of green roofs and walls across Sydney and the trend
 continues to grow rapidly. Lord Mayor Clover Moore said the city is 
receiving around one new development application featuring a green roof 
or wall each week, and that there are more than 50 projects already 
approved for construction.
“Green roofs and walls are not only 
beautiful additions to buildings, they also improve air quality, clean 
stormwater and provide a natural habitat for biodiversity. We want to 
support this emerging industry, give local providers a boost and help 
city residents and businesses discover the benefits of installing green 
roofs and walls,” Moore said when announcing the new draft policy.
- See more at: http://sourceable.net/sydneys-new-green-roofs-walls-policy/#sthash.5vBRqvJm.dpu 
 
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