World Roof Greening Conference of 2012 will be held inHangzhou,China.

    Up to now, greening space of some large-middle scale cities ofChinahave been in limited situation. Roof greening method has become the cheapest greening way in city center zone owning to no land cost. Roof greening can not only lower city temperatures, beautify city landscape, but also clean the air.

    ManyHangzhoupeople wish to own a small garden for themselves for planting flowers and vegetables. Now the roof turf without soil can be bought both online and planting market with price of dozens Yuan for each one square meters. Let’s try this simple planting way.