links
http://livingroofs.org
Introduction to Green Roof Benefits
http://livingroofs.org/2010030565/green-roof-benefits/greenroof-benefits.html
Introduction to Types of Green Roof
http://livingroofs.org/2010022858/green-roof-types/greenrooftypes.html
The Green Roof Code of Best Practice for the UK 2011 www.greenroofcode.co.uk
London’s Response to Climate Change (Chapter 5)
Policy 5.11 | Green roofs and development site environs http://www.london.gov.uk/shaping-london/london-plan/strategy/chapter5.jsp