NRG 173:  Carbon Footprints for Climate Action in Complex Organizations
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NRG 173: Carbon Footprints for Climate Action in Complex Organizations Spring Term 2011 Class 3 of 20 April 5, 2011. Kelly Hoell Good Company Eugene, OR. overview. catch up from last week activity: US energy (practice logical thinking) review pop quiz

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Kelly Hoell Good Company Eugene, OR

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NRG 173: Carbon Footprints for Climate Action in Complex OrganizationsSpring Term 2011Class 3 of 20April 5, 2011

Kelly Hoell

Good Company

Eugene, OR


overview

  • catch up from last week

    • activity: US energy (practice logical thinking)

    • review pop quiz

    • continue discussion of GHG inventory boundaries

  • LCA introduction

    • introduction to life-cycle thinking

    • LCA vs. GHG inventory – what is different?

    • components of an LCA

  • DEQ Home LCA

    • audience, purpose, goals, units

  • Homework for next time


learning objectives

  • this session (Session 3)

    • Review GHG accounting framework and boundaries

    • Get our hands dirty with a real LCA.

    • Understand the concept of “functional unit” in the DEQ example (and beyond).

  • for next time (Sessions 4, 5, and 6)

    • More examples, more discussion of relevance.

    • Discuss the implications of “functional unit” selection on results for the examples to date.

    • Decide if the examples hold insights for other contexts.

    • Discuss the implications of the examples for personal, policy, and corporate decision making.


activity: using logic, intuition, and knowledge

please memorize this for test at 2 PM


overview of US emissions

  • nomenclature


activity: using logic, intuition, and knowledge

please memorize this for test at 2 PM


1.____________SF62. ___________ 3._____________HFCsPFCs

SCOPE 1

4. Circle one: Direct/Indirect

SCOPE 3

6. Circle one: Direct/Indirect

SCOPE 2

5. Circle one: Direct/Indirect

10. ________________________

11. ________________________

12. ________________________

13. ________________________

14. ________________________

15. ________________________

9. _____________________

7. _______________

8. _______________

pop quiz!


GHG accounting 101: Scopes 1, 2 and 3

Source: World Resources Institute


conducting a GHG Inventory – an overview

identify relevant protocols and tools

set inventory boundaries

collect data

revisit inventory boundaries

finish data collection

calculate emissions

write report

share results with stakeholders

develop climate action plan

(Plan as much as reasonable. Be ready for loops.)


typical emission sources

  • building-based energy use (utilities)

    • electricity

    • natural gas

    • other fuels (propane, fuel oil, coal, etc.)

  • refrigerants (“fugitive emissions”)

  • transportation

    • fuel use for business travel (air, car, bus, train)

    • fuel use for employee commute (single occupancy vehicle, carpool, mass transport)

    • distribution

  • embodied GHGs in supply chain

  • waste stream

  • land use (on a large scale)


setting boundaries: think emissions sources…

Source: World Resources Institute


…and locations / facility types


activity: business activity and emissions


Activity: Good Company as an example


trade-offs in setting boundaries


activity: boundaries and data


Life-cycle stages:

Construction

Use & maintenance

Demolition

Definition:

assessment of a building’s environmental, social and economic impacts across every stage of the building life cycle

life-cycle thinking

life-cycle analysis


Definition:

assessment of a building’s environmental, social and economic impacts across every stage of the building life cycle

Life-cycle stages:

“Before”

resource extraction

raw material processing

manufacturing

distribution

construction

“During”

inputs for use

maintenance

“After”

disposal / landfill

reuse

recycling or composting

life-cycle thinking

life-cycle analysis


life-cycle thinking

example: building life-cycle


life-cycle thinking

example: building life-cycle

BEFORE

DURING

AFTER


GHG accounting 101: Scopes 1, 2 and 3

Source: World Resources Institute


boundaries

GHG accounting using life-cycle thinking?

Source: World Resources Institute


LCA process

  • goal definition and scoping

    • define and describe the product, process, or activity

    • establish context: ID boundaries and impacts to assess

  • inventory analysis

    • identify and quantify environmental releases for impact categories

  • impact assessment

    • assess effects of environmental releases

  • interpretation

    • evaluate results and make decisions with an understanding of sources of uncertainty and assumptions


LCA process: Questions to ask

Define the Goal(s) of the Project

Determine What Type of Information Is Needed to Inform the Decision-Makers

Determine the Required Specificity

Determine How the Data Should Be Organized and the Results Displayed

Define the Scope of the Study

Determine the Ground Rules for Performing the Work


DEQ Home LCA: goal definition and scoping

  • context?


waste disposal and recovery

2009 Oregon Waste Generation = 4.6 million tons

20-30% of disposed waste is construction debris

Source: OR DEQ, Jordan Palmeri slide


DEQ Home LCA: goal definition and scoping

  • context?

  • purpose?


initial study question

Over the life of a home, how can you use fewer building materials or prevent waste?

Source: OR DEQ, Jordan Palmeri slide


DEQ Home LCA: goal definition and scoping

  • context?

  • purpose?

  • audience?


DEQ Home LCA: goal definition and scoping

  • context?

  • purpose?

  • audience?

  • potential actions assessed?


DEQ Home LCA: goal definition and scoping


DEQ Home LCA: goal definition and scoping

  • context?

  • purpose?

  • audience?

  • potential actions assessed?

  • impacts assessed?


impacts assessed

  • GHG emissions

  • non-renewable energy

  • costs

  • ecosystem quality

  • resource depletion

  • human health

  • carcinogens

  • non-carcinogen toxics

  • ozone depletion

  • acidification

  • eutrophication


DEQ Home LCA: goal definition and scoping

  • context?

  • purpose?

  • audience?

  • potential actions assessed?

  • impacts assessed?

  • study boundaries?


DEQ Home LCA: goal definition and scoping

  • context?

  • purpose?

  • audience?

  • potential actions assessed?

  • impacts assessed?

  • study boundaries?

  • functional unit?


the functional unit: standard home

  • 2262 square feet

  • 3 bedrooms

  • 2 baths

  • 2 car garage

  • 2.5 occupants

  • “move-in ready”

  • includes original and replacement materials

  • vinyl windows

  • asphalt roof

  • gas furnace, no A/C

  • designed to 2008 Oregon energy code

  • energy use modeled for Portland, OR climate

***Lifetime = 70 years***


homework

  • keep reading DEQ Home LCA

    • be prepared to discuss results

    • start your personal carbon footprint and climate action plan


1.____________ SF6 2. ___________ 3._____________ HFCs PFCs

SCOPE 1

4. Circle one: Direct/Indirect

SCOPE 3

6. Circle one: Direct/Indirect

SCOPE 2

5. Circle one: Direct/Indirect

10. ________________________

11. ________________________

12. ________________________

13. ________________________

14. ________________________

15. ________________________

9. _____________________

7. _______________

8. _______________

pop quiz (take two)!


See you Thursday.

Feel free to contact me:

Kelly Hoell

kelly.hoell@goodcompany.com

(541) 341-GOOD (4663), ext. 217


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