the Flyer

Agenda 21
on sustainable construction
sustainable development is
“development that meets the needs of
the present without compromising the
ability of future generations to meet
their own needs”
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Resources
SOCIAL EQUITY AND
CULTURAL ISSUES
ECONOMIC
CONSTRAINTS
Resources
Emissions
cost
quality
cost
ENVIRONMENTAL
QUALITY
time
time
Emissions
competitive factors in the
traditional building process
Biodiversity
quality
Biodiversity
New Paradigm
AGENDA 21 ON SUSTAINABLE CONSTRUCTION
THE GLOBAL CONTEXT
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AGENDA 21 ON SUSTAINABLE CONSTRUCTION
Figure 3. Issues and Challenges of Sustainable Construction
Resources consumption
Energy use :
Water:
direct use 30%, inefficient water use
indirect use 50%
lack of water
resources in some
countries
Environmental loads
Materials:
Land:
impact on
bio-diversity
through
fragmentation
of natural
areas and
ecosystems,
use of
renewable
materials
conservation of
open space and
rural settlements
trends towards
high/low density
buildings
Demand for
sustainable
development
Main challenges to construction industry
Promoting
energy
efficiency
energy saving
measures,
extensive
retrofit
programmes,
transport
aspects, use of
renewable
energies
Reducing
use of highquality
drinking
water
relying on
rainwater/grey
water, reducing
domestic
consumption with
water
management
systems,
waterless
sanitation
systems and use
of draught
resistant plants
Selecting
materials on
environmental
performance
use of renewable
materials, reduction
of the use of
natural resources,
recycling
Social, cultural &
economic issues
- contribution to poverty alleviation
- healthy & safe working environment
Contributing
to a
sustainable
urban
development
efficient use of
land, design for a
long service life,
the longevity of
buildings through
flexibility and
adaptability,
convert existing
buildings,
refurbishment,
sustainable
management of
buildings,
prevention of urban
decline and
reduction of
sprawl, contribution
to employment
creation, cultural
heritage
preservation
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AGENDA 21 ON SUSTAINABLE CONSTRUCTION
Figure 4. Strategies and Actions
External drivers for change
Challenges for construction
Conservative and
hierarchic
organisations
Environmental
development as a
competitive
advantage
strategies
1 DEFENSIVE
Reducing
impacts and
costs
2 OFFENSIVE
New
approach
3 ECOEFFICIENCY
Change of strategy
4 SUSTAINABILITY
Sustainable construction
Owners, developers
- sustainable demands
Designers
- integrated approach do design
Authorities
- standards, research
Users
- sustainable consciousness as one aspect
of comfort
Contractors
- sustainable consciousness as a
factor of competitiveness
Actions
Industry
- environmental impacts of
products: LC, recycling
Maintenance organisations
- sustainable consciousness as a factor of
competitiveness
Sustainable development
Agenda 21 on Sustainable Construction, CIB Report Publication 237
Contact: CIB General Secretariat, Post Box 1837, 3000 BV Rotterdam,
The Netherlands, E-mail: secretariat@cibworld.nl