a)

To work with natural systems and processes rather than seeking to dominate them;

b)

To encourage and enhance biological cycles within landscapes, involving micro-organisms, soil flora and fauna, plants and animals;

c)

To optimize and maintain the long term biological activity of soils;

d)

To practice the responsible use of water, and the protection of water resources;

e)

To optimize air quality and circulation in the soil, water and atmosphere in support of all life forms;

f)

To use, as far as possible, renewable, biodegradable and recycled resources from local sources and to minimize waste;

g)

To work as much as possible within closed systems with regard to organic matter and nutrient cycling;

h)

To avoid or minimize all forms of pollution in the establishment and care of landscapes;

i)

To ensure biological diversity within urban landscapes;

j)

To encourage the creation and protection of native plant and wildlife habitats;

k)

To consider the wider social and ecological impacts of urban landscapes and the practices and products used to create and maintain them.