green roofs are a part of efforts to make the cities more sustainable and it is one of the modern solutions for urban problems. the physical development of cities led to loss of the natural environment. therefore, the development of green spaces plays an important role in human life. in order to evaluate the effect of some culture media on yield of “oenothera speciosa rosea” in green roof situa...

The AMBEGUJAS phenomenon is a reversible flat figure that is spontaneously shifting between two apparent 3-D shapes-'tile' and 'roof'. 2-D perceptions have very rarely been reported. Tied to the shifts between the tile and roof shapes are remarkable changes of perceived colour. In our example, the tile appears to have orange (top half) and blue-green (bottom half) surface colours in white light...

In the coming decades, millions of urban residents will be exposed to increasingly deadly heat extremes. As an adaptive response rising temperatures, many cities have begun install vegetated ”green” roofs, which now vary widely in structure and size, generally been shown cooling capacity. Yet, little research has done differentiate types green roofs are most effective at reducing heat. We prese...

Abstract Green roofs are a popular way to include nature in an urban environment. A reduction stormwater runoff peaks and volumes among the benefits one can expect. How is from green cold snow-covered part of year, when growth media freeze, plants dormant covered with melting snow? This paper investigates 11 years three extensive Oslo, Norway. Precipitation through period (SCP) was approximatel...