Green Roof Co2 Reduction

Green roofs are considered effective in the reduction of atmospheric co2 because of their ability to reduce energy consumption of buildings and sequester carbon in plants and substrates.

Green roof co2 reduction.

Studies by environment canada have shown that the upper floor of a building with a green roof is likely to save 20 of its energy demand by reducing its need for cooling. The summer savings on the top floor of the building would be in the order of 20. In fact ghg reductions from recycling and composting are often so considerable that they can be compared to avoided tailpipe emissions from vehicles or cars taken off. By lowering air conditioning demand green roofs can decrease the associated air pollution and greenhouse gas ghg emissions from conventional power sources.

Over time these emission reductions add up to significant amounts. The findings add to the already known environmental benefits of green roofs including reducing carbon dioxide decreasing storm water runoff and cutting down on urban heat according to psu. Green roofs also indirectly reduce co2 releases from power plants and furnaces by reducing demand for heating and cooling suggesting long term economic and environmental benefits of green roofs. Like any forested or vegetation covered area a patch of green on top of a roof should theoretically lower levels of carbon dioxide in the air as well.

The reduction of co 2 concentration in the region adjacent to the green roof depends on the intensity of the wind. The plants in a green roof filter particulate matter from the air and convert co2 into oxygen. Vegetation can also remove pollutants and ghgs from the air through dry deposition and carbon sequestration and storage respectively. Each time you recycle or compost materials instead of discarding them you help reduce greenhouse gas ghg emissions and protect the climate.

The weak wind slows down the mixing of co 2 generated by the convection process. Reduced air pollution and greenhouse gas emissions. Plants absorb sunlight 50 is absorbed and 30 reflected. The weaker the wind is the greater the reduction is 14.

This study also calculated the reduction on floors below the upper floor. With a green roof you are contributing to air purification. So this helps to create a cooler and more pleasant climate.