Reducing Embodied Carbon in the built environment will play an increasingly important role in reducing overall carbon emissions over the next 20 years. For buildings, the focus has mostly been on reducing emissions by reducing the use of fossil fuels for operating energy. But we also need to reduce the carbon emissions embodied in the materials and resulting from the construction phase. As buildings become more efficient to operate, the embodied energy and emissions from materials and construction becomes an increasingly significant portion of total GHG emissions.
Why should tropical wetlands be part of climate change mitigation strategies?CIFOR-ICRAF
This presentation specifically explores how tropical wetlands can be included in REDD+, a global scheme through which developed countries reward developing countries for Reducing Emissions from Deforestation and forest Degradation. Because of the amount of carbon stored by wetlands, there are significant opportunities and challenges inherent in involving wetlands in REDD+.
This presentation was given during a symposium on ‘Sustaining Humans and Forests in Changing Landscapes’, organised by the IUFRO Working Group on Landscape Ecology. Around 200 people attended the symposium, which was held on 5–9 November 2012 in Concepcion, Chile.
Sustainable solutions for faster construction of the higher tower and founda...Winterwind
Presentation by Martin Nilsson, Luleå Tekniska Universitet at Winterwind 2012, session 3b. "Sustainable solutions for faster construction of the higher tower and foundation"
Reducing Embodied Carbon with David Mar - COTE 3/8/2011aiasf_11
Reducing Embodied Carbon in the built environment will play an increasingly important role in reducing overall carbon emissions over the next 20 years. For buildings, the focus has mostly been on reducing emissions by reducing the use of fossil fuels for operating energy. But we also need to reduce the carbon emissions embodied in the materials and resulting from the construction phase. As buildings become more efficient to operate, the embodied energy and emissions from materials and construction becomes an increasingly significant portion of total GHG emissions.
Plan building materials presentation admixturesHujaj Khan
Plan Building materials, Utility and advantages in making right choices
Admixtures
Material & uses
Durability
Compatibility
Fixing Methods ( Mixing )
Proprietary Methods
Quality Checking Methods
Transportation - Safety – Storage
Why Compressed Earth Blocks - by Dwell EarthAdam De Jong
Compressed Earth Blocks, often referred to as (CEB) or Earth Blocks, are a pretty amazing building material. Here is a quick look at how amazing this natural building method really is.
Since the beginning of time people have been using the earth for building. Jericho, the earliest city recorded in history, was built of earth. Throughout history earth construction can be seen worldwide. The Egyptians, Mayan, Inca, Greeks, Romans, Chinese, and other European civilizations have long histories of earthen construction.
Compressed Earth Blocks make a healthier home which has the lowest embodied energy and CO2 footprint of any building material while also creating a building that is 80% more energy efficient to operate.
Compressed Earth Blocks are:
- Economical Natural Building Solution
- Fire Proof
- Bullet Proof
- Bug Proof
- Sound Proof
- Mold Proof
- Non- Toxic
- Disaster Resistant
Earth Block buildings also regulate humidity and temperature because the walls are breathable.
Learn more at www.dwellearth.com
What can we help you build?
Green Building Envelopes 101 was given as a 2 hour presentation at the National Building Envelope Council Conference in Winnipeg, Manitoba in May 2011.
Materials Matter - Construction Materials and their Environmental CostsThink Wood
This presentation will show how the life cycle assessment makes it easier for architects to incorporate environmental considerations into their building material selection. It will discuss the life cycle impacts of wood, concrete and steel and demonstrate that over its life cycle, wood is better for the environment than steel or concrete in terms of embodied energy, air and water pollution and greenhouse gas emissions. In addition, this presentation will highlight the advances each industry is making toward sustainability.
Embodied energy and embodied embodied carbonCraig Jones
A visual presentation introducing the embodied energy and embodied carbon footprint of buildings and construction. The slides are highly visual and take the viewer through the life cycle stages of a building material, through to an assembled building or construction project.
Many building materials are used for construction and different methods are followed. Each of these building materials has a unique embodied energy. Out of these materials, Roofing material constitute one of the major energy consuming components of the building. Effective utilization of available energy and its conservation is global challenge. For a developing country like India, the increasing demand of energy has created a scope for the study embodied energy of alternative roofing technique and their advantages for the sustainable building construction. The total embodied energy of a building can be reduced significantly by using alternate roofing technique such as RCC Filler slab which has lower embodied energy value.
Filler slab technology is a simple and a very innovative technology for a slab construction. The filler slab is based on the principle that for roofs which are simply supported, the upper part of the slab is subjected to compressive forces and the lower part of the slab experience tensile forces. Concrete is very good in withstanding compressive forces and steel bears the load due to tensile forces. Thus the lower tensile region of the slab does not need any concrete except for holding the steel reinforcements together. Hence concrete in the bottom region of solid RCC slab is replaced by an energy efficient and cost effective material. With reduced consumption of building material for roofing, the cost of the building can be reduced predominantly.
Why should tropical wetlands be part of climate change mitigation strategies?CIFOR-ICRAF
This presentation specifically explores how tropical wetlands can be included in REDD+, a global scheme through which developed countries reward developing countries for Reducing Emissions from Deforestation and forest Degradation. Because of the amount of carbon stored by wetlands, there are significant opportunities and challenges inherent in involving wetlands in REDD+.
This presentation was given during a symposium on ‘Sustaining Humans and Forests in Changing Landscapes’, organised by the IUFRO Working Group on Landscape Ecology. Around 200 people attended the symposium, which was held on 5–9 November 2012 in Concepcion, Chile.
Sustainable solutions for faster construction of the higher tower and founda...Winterwind
Presentation by Martin Nilsson, Luleå Tekniska Universitet at Winterwind 2012, session 3b. "Sustainable solutions for faster construction of the higher tower and foundation"
Reducing Embodied Carbon with David Mar - COTE 3/8/2011aiasf_11
Reducing Embodied Carbon in the built environment will play an increasingly important role in reducing overall carbon emissions over the next 20 years. For buildings, the focus has mostly been on reducing emissions by reducing the use of fossil fuels for operating energy. But we also need to reduce the carbon emissions embodied in the materials and resulting from the construction phase. As buildings become more efficient to operate, the embodied energy and emissions from materials and construction becomes an increasingly significant portion of total GHG emissions.
Plan building materials presentation admixturesHujaj Khan
Plan Building materials, Utility and advantages in making right choices
Admixtures
Material & uses
Durability
Compatibility
Fixing Methods ( Mixing )
Proprietary Methods
Quality Checking Methods
Transportation - Safety – Storage
Why Compressed Earth Blocks - by Dwell EarthAdam De Jong
Compressed Earth Blocks, often referred to as (CEB) or Earth Blocks, are a pretty amazing building material. Here is a quick look at how amazing this natural building method really is.
Since the beginning of time people have been using the earth for building. Jericho, the earliest city recorded in history, was built of earth. Throughout history earth construction can be seen worldwide. The Egyptians, Mayan, Inca, Greeks, Romans, Chinese, and other European civilizations have long histories of earthen construction.
Compressed Earth Blocks make a healthier home which has the lowest embodied energy and CO2 footprint of any building material while also creating a building that is 80% more energy efficient to operate.
Compressed Earth Blocks are:
- Economical Natural Building Solution
- Fire Proof
- Bullet Proof
- Bug Proof
- Sound Proof
- Mold Proof
- Non- Toxic
- Disaster Resistant
Earth Block buildings also regulate humidity and temperature because the walls are breathable.
Learn more at www.dwellearth.com
What can we help you build?
Green Building Envelopes 101 was given as a 2 hour presentation at the National Building Envelope Council Conference in Winnipeg, Manitoba in May 2011.
Materials Matter - Construction Materials and their Environmental CostsThink Wood
This presentation will show how the life cycle assessment makes it easier for architects to incorporate environmental considerations into their building material selection. It will discuss the life cycle impacts of wood, concrete and steel and demonstrate that over its life cycle, wood is better for the environment than steel or concrete in terms of embodied energy, air and water pollution and greenhouse gas emissions. In addition, this presentation will highlight the advances each industry is making toward sustainability.
Embodied energy and embodied embodied carbonCraig Jones
A visual presentation introducing the embodied energy and embodied carbon footprint of buildings and construction. The slides are highly visual and take the viewer through the life cycle stages of a building material, through to an assembled building or construction project.
Many building materials are used for construction and different methods are followed. Each of these building materials has a unique embodied energy. Out of these materials, Roofing material constitute one of the major energy consuming components of the building. Effective utilization of available energy and its conservation is global challenge. For a developing country like India, the increasing demand of energy has created a scope for the study embodied energy of alternative roofing technique and their advantages for the sustainable building construction. The total embodied energy of a building can be reduced significantly by using alternate roofing technique such as RCC Filler slab which has lower embodied energy value.
Filler slab technology is a simple and a very innovative technology for a slab construction. The filler slab is based on the principle that for roofs which are simply supported, the upper part of the slab is subjected to compressive forces and the lower part of the slab experience tensile forces. Concrete is very good in withstanding compressive forces and steel bears the load due to tensile forces. Thus the lower tensile region of the slab does not need any concrete except for holding the steel reinforcements together. Hence concrete in the bottom region of solid RCC slab is replaced by an energy efficient and cost effective material. With reduced consumption of building material for roofing, the cost of the building can be reduced predominantly.
Carbon Storage & Low Energy Intensity in Harvested Wood ProductsBecky LaPlant
Presentation by Jim Bowyer, Dovetail Partners, at the Blandin Foundation sponsored Forest Values and Carbon Markets: Opportunities for Minnesota conference. February 25-26, 2009 at the Cloquet Forestry Center, Cloquet MN
Codes, Carbon and Construction: Opportunities for Wood in the 21st CenturyBCPFLA
Presentation by Peter Moonen—Sustainability Coordinator, Woodworks BC/Canadian Wood Council—to the Private Forest Landowners Association at their 18th annual forestry conference in Nanaimo, BC on June 20th, 2103.
Hii sir good morning to all
this Ppt is prepared for to protect the environment from co2 gasses could you please read it understand
i hope we are all use the green concrete ....
thank you friends
have a nice day
A one day symposium on zero/low carbon sustainable homes took place at The University of Nottingham on the 24th October, 2012. The event offered professionals within the construction industry a unique opportunity to gain added and significant insight into the innovations, policies and legislation which are driving the construction of zero/low carbon energy efficient homes both here in the UK and elsewhere in Europe. It explored solutions to sustainability issues “beyond” the zero carbon agenda. BZCH followed on from the successful ‘Towards Zero Carbon Housing’ symposium the University hosted in 2007. This event is part of the Europe Wide Ten Act10n project which is supported by the European Commission Intelligent Energy Europe.
Can the Global Aluminium Industry Achieve Carbon NeutralitySubodh Das
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Reducing Embodied Carbon in the built environment will play an increasingly important role in reducing overall carbon emissions over the next 20 years. For buildings, the focus has mostly been on reducing emissions by reducing the use of fossil fuels for operating energy. But we also need to reduce the carbon emissions embodied in the materials and resulting from the construction phase. As buildings become more efficient to operate, the embodied energy and emissions from materials and construction becomes an increasingly significant portion of total GHG emissions.
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1. Time Value of CO2e savings
CO2e
Time
The importance of embodied CO2e
Larry
Strain
Siegel
&
Strain
Architects
www.siegelstrain.com
2. DEFINITIONS
Carbon
Dioxide
(CO2)
–
a
colorless,
odorless
gas
1.98kg/m3
Density:
1.98kg/m3
(at
s.t.p.)
I
Ton
=
505
cubic
meters
1lb
=
2
½
cubic
feet
Each
year,
the
US
produces
enough
CO2
to
cover
the
enTre
land
mass
of
the
US
18”
deep
9. Design
Team
Mechanical
–
Rumsey
Engineers
Electrical
–
IDeAs
Photovoltaics
–
High
Sun
Engineers
Structural
–
Forrell/Elsesser
Landscape
–
Lutsko
Associates
Civil
-‐
BKF
PORTOLA
VALLEY
TOWN
CENTER
(PVTC) Goring
&
Straja
Architects
10. Old
Town
Center
Area
%
of
Total
New
Town
Center
Area
%
of
Total
Building
Footprint
25,000
5.1%
Building
Footprint
20,500
4.2%
Paving
165,900
33.9%
Paving
146,400
29.9%
Playing
Fields
96,000
19.6%
Playing
Fields
100,000
20.4%
Landscape
203,000
41.4%
Landscape
223,000
45.5%
BEFORE
AFTER
PORTOLA
VALLEY
TOWN
CENTER
(PVTC) Goring & Straja Architects
16. GHG
Emissions
(Tons)
0
20
40
60
80
100
120
140
160
Earthwork,
paving
Conc.
Demo
-‐
omaul
Baserock
-‐
import
Site
145
156
CMU
Demo
-‐
omaul
Worker
commute
Windows
-‐
Manitoba
Gyp.
bd.
Base
Case
–
306
tons
Carpet
Ceiling
Tile
s
Wood
–
FSC
Ceramic
Tile
Wood
–
Site
salvaged
Recycling
Hauling
145
150
Concrete
cast
in
place
Buildings
Cellulose
InsulaTon
Wood
–
Engineered
As
Built
–
290
-‐
ReducTon
-‐
16
tons
(9%)
Metal
Roofing
Struct.
Steel
–
truck
GHG
Emissions
–
Construc?on
Vehicle
Emissions
Struct.
Steel
–
train
Waste
Hauling
Reinf.
steel
-‐
truck
Reinf.
steel
-‐
trail
17. GHG
Emissions
-‐
Totals
Base
Case
–
1,078
tons
As
Built
–
854
tons
ReducTon
-‐
224
tons
(21%)
1200
1000
306
800
Vehicles
290
600
400
772 Materials 564
200
0
Base
Case
As-‐Built
Goring & Straja Architects
18. Portola
Valley
Town
Center
–
CalculaTng
CO2e
Baseline
–
Standard
As-‐Built
–
Reduced
carbon
Savings
Material
Quant.
ton
CO2
/
Total
CO2
/
Quant.
ton
CO2
/
Total
CO2
/
Tons
of
Source
tons
ton
ton
tons
ton
ton
CO2
Concrete
1324
0.13
172.4
1324
0.07
86
-‐86
ICE
Reinforcing
steel
51
0.4
21.42
51
0.4
21.4
0
ICE
Structure
Wood
80
0.45
36
80
0.45
36
0
ICE
Engineered
Wood
24.6
0.65
16
24.6
0.65
16
0
ICE
Structural
Steel
10
0.68
6.8
10
0.68
6.8
0
ICE
Structure
Total
252
166
-‐86
Weight
Weight
CO2/ton
CO2/ton
material
material
Total
Total
emissions
emissions
Source
of
CO2
emissions
data
27. WHY FOCUS ON EMBODIED CARBON?
• Time Value of Carbon Savings
Carbon saved now is worth more than Carbon later
(area under the line is total carbon emitted)
Carbon Reduction
10%
reduc?on
per
year
Start
slow
-‐
increase
rate
of
reduc?on
Start
fast
-‐
decrease
rate
of
reduc?on
Time
29. Annual Construction – Billions of Square Feet
2.2
2.2
Residen?al
2.4
2.4
Commercial
~4.6
Billion
S.F.
~4.6
Billion
S.F.
New
Renovated
30. Annual Construction Emissions – 174 M tons
~134
Million
Tons
~40.5
Million
Tons
44
Residen?al
90
16.5
24
Commercial
New
Renovated
Commercial
–
75lbs/sf
Commercial
–
20lbs/sf
ResidenTal
–
40lbs/sf
ResidenTal
–
15lbs/sf
31. Reduced Carbon Construction Emissions – 128 M tons
~87.5
Million
Tons
~40.5
Million
Tons
27.5
Residen?al
60
16.5
24
Commercial
New
–
Reduced
CO2
Renovated
Commercial
–
50lbs/sf
Commercial
–
20lbs/sf
ResidenTal
–
25lbs/sf
ResidenTal
–
15lbs/sf
32. Reduce New Construction SF, Increase Renovations
(-‐1
billion)
(+1
billion)
2.7
Residen?al
1.7
2.9
1.9
Commercial
3.6
Billion
S.F.
~5.6
Billion
S.F.
New
(+1
billion
Renovated
33. Reduce New Construction SF, Increase Renovations
Annual Construction Emissions – 145 M tons
~105
Million
Tons
~40.5
Million
Tons
34
Residen?al
71
16.5
24
Commercial
New
Renovated
Commercial
–
75lbs/sf
Commercial
–
20lbs/sf
ResidenTal
–
25lbs/sf
ResidenTal
–
15lbs/sf
34. Reduce New Construction SF, Increase Renovations, and
Reduce Construction Emissions
Annual Construction Emissions – 109 M tons
~69
Million
Tons
~40.5
Million
Tons
Residen?al
21
16.5
48
24
Commercial
New
–
Reduced
CO2
Renovated
Commercial
–
75lbs/sf
Commercial
–
20lbs/sf
ResidenTal
–
25lbs/sf
ResidenTal
–
15lbs/sf
35. Data Sources
Databases
• NREL
Data
(US
specific)
• ICE
Database
(Inventory
of
Carbon
and
Energy)
Bath
University
-‐
UK
/
EU
/
Global
data
• Ecoinvent
(Global
/
European
data)
• Franklin
Data
(transportaTon
of
materials)
Carbon
Analysis
Programs
• Athena
InsTtute-‐
reasonably
transparent
• Assembly
Calculator
–
free
• Impact
EsTmator
–
fee
for
download
• SimaPro
–
free
demo,
reasonably
transparent
• URBEMIS
–
free,
transparent
• EPA
WAste
ReducTon
Model
(WARM)
–
free,
transparent
• ConstructCO2
–
beta
36. The Value of Data
Measurement
"
.
.
.
careful
measurement
is
a
way
of
discovering
new
things,
not
just
checking
the
status
quo.
Monitoring
is
not
just
a
necessary
handmaiden
of
science
-‐
it
is
the
real
thing."
(Economist,
March
6,
2010,
"Monitoring
Greenhouse
Gases:
Highs
and
Lows”,
thanks
to
Peter
Morris)