Plants and Buildings: improving the human environment
Transcript of Plants and Buildings: improving the human environment
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Plants and Buildings: improving the human
environment
Professor John Dover The Green Wall Centre, Staffordshire University
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• Overarching Creative Vision for the Whole Centre
• Detailed Design of a specific space as a pilot
Des
ign
Brie
f
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Considerations • The building needs to address current
issues but also be future-proofed in terms of environmental challenges
• We are in the world of the retrofit
• Best not to overcomplicate
• Engagement is important
• There are always caveats/exceptions
Brie
f Iss
ues
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Ecosystem services are generally considered to be of four types: • Supporting services e.g. nutrient and water cycling, soil
formation, primary production • Regulating services e.g. climate control, pollution removal,
water regulation & purification, pollination, pest & disease suppression, erosion control
• Provisioning services e.g. food, medicines, building materials • Cultural services e.g. societal appreciation of nature and
environment, aesthetics, recreation (EASAC, 2009)
Eco
syst
em S
ervi
ces
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• Regulating services – climate control, – pollution ‘removal’, – water regulation & purification, – disease suppression
• Cultural services – aesthetics, – appreciation of nature and environment, – recreation
For B
uild
ing
Des
ign
Most Relevant
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Essential Infrastructure
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Ecosystem Services can help with many current and future
challenges Climate Change
Societal Value
Amenity Value
Health & Wellbeing
Energy Management
Water Management
Urban Climate
Ecosystem Services
Inside buildings and outside
Cha
lleng
es
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Evapotranspiration
7-10°C difference
Air cooling, humidification, UV control, shade
Clim
ate
Con
trol
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Can be used with Air Cons A
ir C
ondi
tioni
ng
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Cool in summer warm in winter
Deciduous species: leaves shade in summer, fall-off in winter and sun warms room
Win
dow
Sha
de
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Shaded walkways, Contemplative spaces, Stress reduction, Evapo-transpiration Sustainable Urban Drainage
Future proofing for climate change
Out
door
sha
de
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Sustainable Urban Drainage
Slo
win
g it
dow
n
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Cap
ture
© City of Portland, Oregon
Rain Gardens
Storm-water planters
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Per
mea
ble
pavi
ng
Pavements, Car parks, Driveways, Patios
Infiltration
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Building Insulation
Warmer in Winter
Ene
rgy
Man
agem
ent
Cooler in Summer
Can also provide summer shade with trees or climbers on awnings
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Energy consumption
One study suggests that shading air conditioner heat exchangers
could save up to 10% in energy costs!
Air
Con
ditio
ning
U
nits
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‘Nature’ helps in: • Stress recovery • Attention restoration • Reduced prevalence of mental disorder • Trust, tolerance, participation, feelings of safety • Recovery from surgery
State-of-Mind M
enta
l Hea
lth
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Looking good, hiding the ugly, enhancing the mediocre
Aes
thet
ics
©Biotecture Ltd
©Mobilane
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Volatile Organic Chemicals (VOCs) In
door
Air
Pol
lutio
n
Plants – especially microbes in the root-zone can detoxify VOCs
• Higher concentrations indoors • Hundreds of compounds • Some carcinogens • Given off by building products,
furnishing, electrical, etc. • Sick-building syndrome
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Nursery x250 mag A38 Bristol St x250 mag
66 days
Pol
lutio
n O
utdo
ors
Plants Capture PM and Gasses NO2 SO2 O3 CO2 CO
PM10-1.0
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Reducing hubbub
Sound absorption, diffraction, reflection Will vary with plant species & architecture, growing units/media Valuable where many hard surfaces
Noi
se P
ollu
tion ©Biotecture Ltd
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The immediate work environment P
rodu
ctiv
ity
• Increased job satisfaction • Higher quality of life scores • Reduced work pressure • Reduced absences • Better productivity • Improves climate (humidity) • May reduce microbes in the air
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Room dividers
Indoor vegetation can be a fixed or a mobile facility creating and recreating spaces as required. Green walls take up little space.
Spa
ce u
tilis
atio
n
©Biotecture Ltd
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1. What is Green Infrastructure? 2. Benefits of Green Infrastructure 3. Indoors 4. Permeable Pavements 5. Green Walls 6. Green Roofs 7. Street Trees 8. Policy, Regulation and Incentives
CONTENTS: