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Future oriented technologies:
Green roofs and solar power
Dr. Franz Alt (D)
Editor and author; since 1992 leader of the future department of a German broadcasting
company (SWR)
Dr. Franz Alt is a very committed and enthusiatic promotor of sustainable energy sources in
Germany. His ecopolitical work has been recognised by many awards (e.g. Bambi, Adolf
Grimme, Umwelt Online etc.). As a renowned solar expert he will present the special
synergetic advantages of solar power facilities on landscaped roofs (e.g. installation,
energy production).
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Green roofs and sustainable energy strategies
Prof. Dr. Maximilian Gege (D)
CEO B.A.U.M. e.V., Hamburg, numerous national and international environmental awards
For 20 years B.A.U.M. supports environmental management, sustainable development
and environmental awareness in Germany. As global climate change and the reduction of
greenhouse gases are the major environmental challenges of the 21th century, the current
focus of B.A.U.M. is on the utilisation of sustainable technologies and „clean“ sources of
energy. Every year more than 600 million sq ft² of flat roofs have to be refurbished. Very
often these roofs are only poorly insulated. Green roofs can play an important role within
CO2-reduction strategies as they can be regarded as additional thermal insulation, thus
reducing the use of primary energy.
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Heat waves in European cities
Dr. Bettina Menne (I)
Medical officer, WHO (World Health Organisation), European Centre for Environment
and Health, Rome
The disastrous effects of the summer heat wave 2003 (more than 20 000 deaths in
Europe) did not fall into oblivion. The WHO Regional Committee for Europe has launched
an extensive examination concerning the negative health impacts of global climate change.
The following questions are of major interest: What individual measures can be taken by
the urban population to prevent and manage the effects of heat waves and how can
sustainable urban development contribute to solve the problem?
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Green roof contribution to storm water management
Klaus W. König (D)
Architect, member of the "fbr" - board (German association of rainwater and grey water
reuse), author of specialised books
Klaus W. König is an outstanding expert on rainwater management and re-utilisation.
Apart from his work as a consultant to planning offices and municipalities he is also a very
popular speaker at national and international conferences (e.g. UNO, global water forum
Den Haag and Kyoto). As storm water taxes and the danger of high water increased
significantly within the last decade rainwater utilisation has become an important ecological
and economic factor. Klaus W. König will show different possibilities to integrate green
roofs in modern storm water management systems (rainwater storage in cisterns and
seepage) and present the special advantages of these combinations.
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Municipal incentives for green roofs:
in Germany (Stuttgart)
Klaus-Jürgen Evert, Dept. of Garden and Cemetary, Stuttgart
in Italy (Bozen)
Dr. Paolo Abram, Italian Green Roof Association (A.I.VE.P.)
Klaus-Jürgen Evert (D)
Deputy chief officer, garden and cemetery department, Stuttgart
With regard to municipal support programmes the city of Stuttgart has done pioneering
work in Germany. Starting in the mid-eighties a broad range of different instruments (e.g.
determination in local development plans, green roof awards, direct financial support,
landscaping of municipal buildings) have been used to establish green roofs in urban
development. Up to now approx. 1,5 million sq ft² of green roofs have been installed. The
successful programme was copied by many communities in the surrounding and also gained
a lot of interest in other countries (cp. Mark G. Gibb).
Dr. Paolo Abram (I)
Expert and technical adviser for roof greenery; founder member of the Italian Green Roof
Association (A.I.VE.P.)
Dr. Abram has developed a special mathematical model for the integration of sealing
factors and compensation measures (e.g. green roofs) within local development plans.
The municipality of Bozen (Italy) has used this model for several years and gained a lot of
valuable experiences.
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International transfer of green roof knowledge and expertise: Germany-USA
G. Mark Gibb (USA)
Executive Director of the Northern Virginia Regional Commission
Within the last five years the "Northern Virginia Regional Commission" and the "Verband
Region Stuttgart" have carried out an intense exchange of information about "best
practices" for environmental, human and economic concerns. In this context the longstanding
German experiences in the field of green roofs (cp. Klaus-Jürgen Evert) have
served to establish green roof support programmes in the USA. Three of the local jurisdiction
in the Northern Virginia Region are now actively encouraging green roofs as part of new
office construction in the most densely populated areas.
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