000			01529cam a2200265 4500
001			ABS66770
008			030612n2003 000 0 eng u
035			_a(Sirsi) u122579
100			_aDunnett, N.
245			_aGreen roofs: up on the roof
260			_c2003
490			_aLandscape Design _v(321) June 2003, 35-38(4)
490			_aEstates Gazette _v(0325) 21 June 2003, 130-131(2)
520			_aExamines the growing potential of green roofs, a concept that is becoming more popular in the UK as environmental benefits are recognised. Charts the history of green roofs, in particular pointing to research in Germany, and highlights the distinction between 'intensive' and 'extensive' green roofs. Suggests there is much potential for 'semi-extensive' green roofs in the UK and outlines several advantages of green roofs such as their role in sustainable urban drainage strategies, their contribution to biodiversity and their recreational and aesthetic qualities. Also provides technical information about green roofs, which generally consist of a drainage layer, a substrate or growth medium layer and a vegetation layer, and looks at different products and techniques. Lists several websites for further information.
590			_aABS
650			_aURBAN ENVIRONMENT
650			_aENVIRONMENTAL BENEFITS
650			_aTURF ROOFS
650			_aGREEN BUILDINGS
650			_aROOFING MATERIALS
650			_aGERMANY
690			_aBUILT ENVIRONMENT-BUILDING MATERIALS
700			_aKingsbury, N.
942			_n0
999			_c72844 _d72844