A green roofs is one of the recommended methods practice in improving sustainability urban areas. Green can be used as a passive technique to reduce carbon dioxide (CO2) emissions from atmosphere. This due role roof layers which are vegetation and soil process photosynthesis activities capture CO2 The objective this paper quantify compare amount sequestration by ten potential plants, order esti...

The biome concept is used to classify vegetation into distinct groups. This concept integrates the relationship of plants and animals with their distributions. North America is comprised of 11 biomes (arctic tundra, desert, broad sclerophyll, pinyon-juniper, temperate grasslands, northern coniferous forest, moist temperate coniferous forest, temperate deciduous forest, mountain complex, subtrop...