Green Roof Co2 Reduction

This is consistent with the field measurement.

Green roof co2 reduction.

Green roof temperatures can be 30 40 f lower than those of conventional roofs and can reduce city wide ambient temperatures by up to 5 f. A study presented at the green roofs for healthy cities conference in june 2004 cited by the epa found water runoff was reduced by over 75 during rainstorms. Green roofs play a significant role in retrofitting the low impact development lid practices in urban areas. Water is stored by the roof s substrate and.

1 2 in addition green roofs can reduce building energy use by 0 7 compared to conventional roofs reducing peak electricity demand and leading to an annual savings of 0 23 per square foot of the roof. In the field measurement p1 can be considered to be a site very close the green roof and p2 is the site with some distance from the green roof. In the hypothetical green roofs annual co2 reduction due to saved energy was between 1 703 and 1 889 kg co2 m yr. Green roofs offset global warming study finds.

From these results we concluded that the co2 payback time of the. The closer to the green roof region is the greater the reduction of co 2 concentration will be.