Maison Jar: GHG Inventory

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Submitted to: Columbia University

Client: Maison Jar, Brooklyn

Copyright: @SPS (June 2023)

Authors: (Group 7) Kristiina Liuksila (klb2217), Shaziya Ahmed (sa3934), Hamza Haider (hh2913), Ignacio Neri (jin2112), Miranda Potmesil (mqp2104), Himanshhu Panwar (hp2637) Contact mail: mqp2104@columbia.edu

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Maison Jar: 2022 Greenhouse Gas Inventory Maison Jar: 2022 Greenhouse Gas Inventory 2 3 Contents
Introduction .............................................................................................5
1.
Company Information ..............................................................................5
Maison Jar: Company Overview ...................................................5
Relationship between Maison Jar and Columbia University ...........6
Approach to the Assessment ....................................................................7
Identification of Stakeholders ......................................................7
Business goals served by GHG inventory .......................................9
Greenhouse Gas Inventory Standard and Boundaries .............................10
Reporting Standard ....................................................................10
Organizational Boundary ...........................................................10
Operational Boundary ................................................................11
4.2.
4.3.
Greenhouse Gas Inventory Methodology and Data ................................13
Data collection process ...............................................................13
Emission Factors Used ................................................................13
Calculation Methodology and Tools ............................................14
Summary of Greenhouse Gas Emissions ................................................16
Science-Based Target .............................................................................17
Recommended GHG Reduction Target ........................................17
Recommendations to Achieve Target ...........................................18
7.2.
Conclusion ............................................................................................20

1. Introduction

This Greenhouse Gas Inventory report was produced on behalf of Maison Jar by students from Columbia University’s M.S. in Sustainability Management program. This inventory covers the 2022 reporting period, which ran from June 2022 through May 2023. This report includes an overview of company information, an

explanation of our approach to the greenhouse gas (GHG) inventory assessment, a discussion of the inventory standard and boundaries, details of the inventory calculation process, a summary of GHG emissions calculated in the inventory, and a recommended science-based target for Maison Jar to adopt.

2. Company Information

Founded by Larasati Vitoux, Maison Jar is a refillery and grocery store located in the neighborhood of Greenpoint in Brooklyn, New York. Founded with the mission to promote sustainable, accessible, and transparent shopping, this one-stop shop offers a variety of food, personal care, and home essentials without unnecessary packaging, aiding in the fight against plastic waste within the escalating climate crisis. Maison Jar is open seven days a week, effectively serving the surrounding community for their bulk grocery needs. What makes Maison Jar unique is that customers can bring in their own containers or purchase reusable ones in-store, which lets them avoid using disposable packaging. This strategy drives home the concept of reducing waste in customers’ daily lives and underscores Maison Jar’s core belief that small habits can make a big difference when it comes to addressing the ongoing climate crisis.

Maison Jar stocks a wide range of high quality household staples, from food to personal care items. They strive to help customers make informed purchase decisions, and provide as much transparency as possible into each product.

Maison Jar maintains a large network of supplier partners who share in their values of sustainability and quality. Maison Jar works closely with its

supplier partners to provide carefully selected and responsibly sourced products to customers, with a particular emphasis on local and organic options. They partner with a wide array of suppliers, including local New York businesses like Berle Farms, Bien Cuit Bakery, and Brooklyn Candle Studio and international suppliers like Le Parfait from France and Oneka from Canada.

Maison Jar’s product assortment provides customers with a wide variety of choices. The store favors products with certified labels such as Fair Trade, Gluten Free, Integrated Pest Management, Organic, and Vegan. Their fresh produce changes seasonally, ensuring customers get the freshest products year round.

In summary, Maison Jar is more than just a grocery

2.1. Maison Jar: Company Overview

store. It is a conscious movement, a responsible choice, and a proactive step towards a more sustainable future. It represents a novel way to shop that blends traditional grocery shopping with a modern, eco-friendly twist. Its role goes beyond providing goods; it also educates the

public about responsible consumerism and the significant impact small changes in daily habits can have on our environment. This progressive approach to shopping is a testimony to Maison Jar’s commitment to preserving our planet while serving the local community.

2.2. Relationship between Maison Jar and Columbia University

We Students from Columbia University’s M.S. Sustainability Management program initiated outreach to Maison Jar based on Maison Jar’s commitment to sustainability and pre-existing contact with one member of the Columbia team. Maison Jar’s sustainability-oriented mission made them an attractive client for the Columbia University master’s student group. Considering Maison Jar’s success in this space, the team recognized the remarkable potential for sustainability improvements and reduced greenhouse gas (GHG) emissions that the store exhibited. Its commitment to minimizing waste,

promoting organic and local produce, and prioritizing reusable packaging also contributed to the conclusion that Maison Jar would be open to collaborating with Columbia students and receptive to GHG reduction strategies. After initiating contact and securing approval from Maison Jar to proceed, the Columbia University team assumed the role of GHG consultants, with the goal of conducting a thorough assessment of the store’s operations, identify potential areas for further GHG reduction, and propose actionable steps towards achieving these improvements.

3. Approach to the Assessment

3.1. Identification of Stakeholders

When we consider Maison Jar in the context of GHG emissions and its overarching sustainability strategies, stakeholders represent a diverse and complex network of individuals, groups, or organizations that hold a significant interest in the environmental impact, sustainability initiatives, and greenhouse gas emissions reductions of the business. Here we provide an overview of the roles and influence of these various stakeholders:

• Owners/Management: The owners and managers of Maison Jar are the primary stakeholders. Their decisions directly influence the store’s environmental footprint, and they have the power to pursue initiatives to reduce emissions. Beyond this, they are stewards of the Maison Jar brand and reputation, which is closely tied to their mission of promoting sustainable, accessible, and transparent shopping. Thus, they have a significant vested interest in ensuring the successful execution of the store’s sustainability initiatives.

• Employees: Employees, whether they work as store associates, supply chain managers, or in

behind-the-scenes operations, are essential stakeholders. Their day-to-day activities and behaviors directly affect the store’s GHG emissions. Moreover, their buy-in to the company’s sustainability goals is crucial for the effective implementation of these initiatives. For these reasons, the well-being, motivation, and engagement of employees are central to the store’s GHG reduction efforts.

• Customers: The clientele of Maison Jar, many of whom are likely drawn to the store for its eco-friendly ethos, form a critical stakeholder group. Their shopping habits, feedback, and loyalty influence the store’s operational decisions, including those related to sustainability. They also play a direct role in reducing packaging waste by choosing to refill containers at the store instead of buying new ones. Their ongoing interest in and support of Maison Jar’s sustainability efforts significantly contribute to the store’s success and influence in the marketplace.

• Suppliers: Maison Jar’s product offerings rely heavily on its network of suppliers, who themselves contribute to the store’s overall carbon footprint

7 Maison Jar: 2022 Greenhouse Gas Inventory

through their own production and transportation activities. Consequently, these suppliers are important stakeholders in Maison Jar’s sustainability initiatives. Their farming methods, manufacturing processes, packaging choices, and distribution logistics all have implications for Maison Jar’s GHG emissions and overall environmental impact.

• Local Community: The broader Greenpoint community, including local residents, other businesses, and community organizations, are impacted by Maison Jar’s operations and form an integral part of the store’s stakeholder network. As a local business, Maison Jar contributes to the community’s character and vibrancy, and its commitment to sustainability can influence the community’s perception and support of the store.

• Regulatory Bodies: Local, state and federal regulatory agencies oversee environmental and business regulations that Maison Jar must comply with. These bodies can influence Maison Jar’s sustainability initiatives through environmental legislation, emissions standards, and waste disposal requirements, making them critical stakeholders.

• Non-Profit and Environmental Organizations: Local, national, and international environmental organizations can influence public opinion, drive policy changes, and offer valuable resources and partnerships for Maison Jar. By demonstrating a commitment to reducing GHG emissions, Maison Jar can align itself with these organizations and further cement its reputation as a responsible and sustainable business.

• Investors/Financial Institutions: If Maison Jar has any investors or is considering future investments, these entities are important stakeholders. As more financial institutions recognize the risks associated with climate change, Maison Jar’s commitment to reducing its carbon footprint and investing in sustainable practices can influence its financial attractiveness and stability.

Each stakeholder group plays a unique role in shaping Maison Jar’s approach to GHG emissions and sustainability, and each has a different level of influence and interest in these efforts. It’s essential for Maison Jar to understand and engage with these stakeholders effectively to ensure its sustainability initiatives are successful and impactful.

3.2. Business goals served by GHG inventory

Crafting a greenhouse gas (GHG) inventory for Maison Jar serves multiple crucial business objectives that align well with its core mission and values:

• Promoting Sustainable and Transparent Shopping Practices: The GHG inventory allows Maison Jar to showcase its commitment to eco-conscious values. The inventory provides transparency about the store’s carbon footprint, reinforcing its dedication to sustainability. With this information, Maison Jar is also able to educate its customers on the importance of sustainable shopping and its impact on GHG emissions.

• Improving Operational Efficiency: The GHG inventory could reveal opportunities for Maison Jar to further reduce its emissions. These changes could also lead to cost savings, demonstrating that sustainability and profitability can go hand in hand.

• Leading the Way in the Refillery Market: The refillery concept is still emerging, and Maison Jar is at the forefront. By conducting a GHG inventory, Maison Jar could set a precedent for other refilleries. This could further differentiate Maison Jar within the market, positioning it as not just a leader in the refillery concept, but in environmental responsibility more broadly.

• Risk Management and Future-proofing the Business: Conducting a GHG inventory helps Maison Jar anticipate and manage potential future risks. For instance, governments around the world are increasingly introducing policies and regulations aimed at reducing carbon emissions. By having a thorough understanding of its GHG emissions, Maison Jar can ensure compliance with environmental regulations, avoiding potential fines or reputational damage.

• Fostering Employee Engagement and Satisfaction: Maison Jar’s team is a crucial part of its mission. A GHG inventory can engage staff members by involving them in the process of sustainability efforts. This participation not only aids in the execution of the inventory but also instills a sense of pride and achievement among the staff, as they contribute to a larger cause.

Maison Jar: 2022 Greenhouse Gas Inventory

4. Greenhouse Gas Inventory Standard and Boundaries

4.1. Reporting Standard

Our analysis suggests that Maison Jar would derive the most value from implementing the Corporate Standard of the Greenhouse Gas (GHG) Protocol. This internationally recognized standard provides a robust and comprehensive guide for the quantification and management of GHG emissions directly under a company’s control, namely its Scope 1 and Scope 2 emissions.

Scope 1 emissions stem from direct sources that are owned or controlled by an organization. In this case, Scope 1 includes emissions from the natural gas used for heating and hot water, as well as leakage of refrigerants. Scope 2 emissions are those from the generation of purchased electricity, heat, or steam consumed by your organization, which in this case includes the electricity used for lighting, heating, and powering appliances within the store. By employing the GHG Corporate Standard, Maison Jar can obtain a clear understanding of these emissions sources, enabling the company

to measure, manage, and ultimately reduce them. This can be a powerful tool for achieving its sustainability objectives while enhancing Maison Jar’s reputation as a sustainabilityoriented brand. Moreover, the GHG Corporate Standard will lay the groundwork for more advanced GHG emissions management.

4.2. Organizational Boundary

Given that Maison Jar is wholly owned and operated by its sole owner, the appropriate approach to defining its organizational boundary for GHG emissions would be the Operational Control Approach, rather than Equity Share Approach. The Equity Share Approach is typically used by companies that have joint ventures or that own a share of an operation but do not have full operational control over that operation. In this case, Maison Jar has full authority to introduce and implement operating policies and the Operational Control Approach is typically the most appropriate for setting their

organizational boundary for GHG emissions. It’s crucial to note that while the Operational Control Approach provides a comprehensive overview of the emissions that Maison Jar can directly manage and reduce, it may not account for all emissions associated with the store’s

4.3. Operational Boundary

Maison Jar’s greenhouse gas inventory includes its one-store location in Brooklyn, NY, and covers Scope 1 and Scope 2 emissions reporting. The reporting period is June 2022 through May 2023.

The operational boundary covers the following scopes and emissions sources:

Scope 1: Direct GHG Emissions

Natural gas combustion for heating: Maison Jar uses natural gas for heating the store and for hot water. The combustion of natural gas releases CO2, CH4, and N2O.

Refrigeration: Maison Jar operates eight refrigerators in their store. Refrigeration generates greenhouse gas emissions through leaked refrigerants, which occur in all refrigerators, especially during maintenance. Refrigerants themselves are greenhouse gasses, so these emissions are captured as direct emissions within Scope 1.

Scope 2: Energy-Indirect GHG Emission

Purchased electricity: This includes the electricity used for lighting, refrigeration, electronic payment systems, security systems, and other electronic appliances used within the store. For Maison Jar’s greenhouse gas inventory we have included total electricity usage for the store, and contributing electricity usage from refrigeration, lighting, and dishwasher appliance operations.

Scope 3 Emissions: Limitations and Opportunities

Scope 3 categories were not included in the inventory due to lack of data. The store’s current tracking system does not allow for Maison Jar to issue invoices solely for the cost of goods

broader supply chain. The completeness and accuracy of the GHG inventory will increase over time as Maison Jar’s ability to gather data on its emission sources i with resources and data management practices improve.

sold, therefore making it difficult to gather and analyze data related to Purchased Goods and Services (Category 1). We believe this category will make up the majority of Maison Jar’s Scope 3 emissions due to the nature of the business. Further, we pursued estimates for Employee Commuting (Category 7) and Business Travel (Category 6), but both categories were found to be not relevant to the company. Maison Jar confirmed that there was no business travel conducted within the timeframe analyzed and that all employees commute to the business by walking, as most live in the neighborhood in which the store is located.

Below are the Scope 3 categories that we recommend for future exploration:

1. Waste generated in operations: Maison Jar, despite its focus on low waste, would still

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likely generate some waste in its operations, such as food waste, which could produce GHG emissions when decomposing.

2. Employee commuting: Maison Jar’s staff commuting to and from work can generate GHG emissions, depending on the modes of transport they use. If Maison Jar expands its footprint in the future or begins hiring more employees who do not live within walking distance of the store, this category could become relevant.

3. Business travels: If there are any business-related trips, the transportation used (flights,

car, etc.) can contribute to Scope 3 emissions. While this is not relevant at the moment, should the business scale and require business travel, this category could become relevant.

4. Supply chain emissions: The production, transportation, and end-of-life treatment of goods sold in the store, assuming these processes are not controlled by Maison Jar, would also count as Scope 3 emissions. For example, emissions from farming, packaging, and transporting of food products, personal care items, and household essentials that are sold in the store.

5. Greenhouse Gas Inventory Methodology and Data

5.1. Data collection process

The team worked with store owner, Larasati Vitoux, and store manager, Renae Wilkinson, to gather activity data for the GHG inventory and report. Data collection was conducted virtually, through various forms of communication including Zoom, email, phone, and text communications. Maison Jar provided the following data for the Columbia team to use:

• ConEdison electricity bills (monthly)

• Store square footage

• Number of refrigerators and specific models

• Dishwasher model

• Number and type of lightbulbs in the store

Members of the Columbia team also visited Maison Jar in person to capture photos of the refrigerator units and to gain a comprehensive understanding of the in-store space.

5.2. Emission Factors Used

The table below outlines the specific emission factors used to calculate Maison Jar’s Scope 2 and Scope 2 greenhouse gas emissions. Also listed are the Global Warming Potential (GWP) values for each of the greenhouse gasses.

Sources and Assumptions

GWP Values ○ Source for CO2, CH4, and N2O: IPCC Fifth Assessment Report (AR5) found in the GHG Protocol (source link)

○ Source for refrigerant GWP: United Nations Environment Programme (UNEP) “Global Warming Potential (GWP) of Refrigerants” (source link) Stationary Combustion (Natural Gas)

○ Source: 2023 U.S. EPA GHG Emission Factors Hub (source link)

Maison Jar: 2022 Greenhouse Gas Inventory 13
Emissions Source Units Emission Factors CO2 GWP = 1 CH4 GWP = 28 N2O GWP = 265 CO2e Stationary Combustion (Natural Gas) metric tons / mmBtu 0.053 0.0000010 0.00000010 0.53 Refrigeration metric tons 5.00 Purchased Electricity metric tons / kWh 0.00037 0.000000009 0.000000001 0.00037

○ Assumptions: Use the “Natural Gas” value from Table 1: Stationary Combustion

Refrigeration

○ Source: United Nations Environment Programme (UNEP) “Global Warming Potential (GWP) of Refrigerants” (source link)

○ Assumptions: from the refrigerator model information provided by Maison Jar, we know that all of the refrigerators use R-290 refrigerant. We used the UNEP-estimated global warming potential of R-290 to arrive at the emission factor in terms of CO2e.

Purchased Electricity:

○ Source: 2023 U.S. EPA GHG Emission Factors Hub (source link)

○ Assumptions: Use the “NYCW (NPCC NYC / Westchester)” value from Table 6: Electricity. Assume Maison Jar grid energy mix matches that of New York City.

5.3. Calculation Methodology and Tools

To compile the GHG inventory for Maison Jar, we used an excel-based tool to calculate the emissions listed below. The excel-based tool was built using frameworks established in excel tools created by the GHG Protocol and the U.S. EPA. The tool included calculations for the following:

Scope 1:

○ Stationary Combustion (Natural Gas)

○ Refrigeration

Scope 2:

○ Purchased Electricity

Stationary Combustion (Natural Gas): Although Maison Jar was not able to share metered gas utility bills, we were able to use the store square footage they provided to determine the likely natural gas usage of the store. We leveraged the U.S. EIA CBECS Natural Gas Energy Intensity Tables for the “Buildings 1,001 - 5,000 square feet” segment in the Middle Atlantic region (source link). We multiplied the

store square footage by the natural gas intensity to arrive at estimated cubic feet of natural gas usage per year by the store, which we then converted to mmBtu and multiplied by the emission factor for natural gas to calculate the total CO2e emissions.

Refrigeration:

For refrigeration, we needed to estimate the amount of refrigerant leakage based on a number of assumptions:

• All refrigerators in the store use R-290 refrigerant, which carries a GWP value of 5.

• According to Accuvio, an ESG software platform, refrigerators used in “Stand-Alone Commercial Applications” have a 1-10% average leakage rate (source link). We assumed that Maison Jar’s refrigerators would fall in the middle of this range, so assumed a leakage rate of 5%.

• To determine the amount of refrigerant in each refrigerator, we consulted the UNEP commercial refrigeration fact sheet, which listed 0.1 kg - 0.5 kg as the average range for a “stand-alone” unit (source link). To remain conservative, we assumed the Maison Jar refrigerators would be at the top of this range, or 0.5 kg of refrigerant per unit.

• By multiplying the leakage rate with the amount of refrigerant, we calculated the total annual leakage amount across all of the refrigerators. Multiplying this with the GWP for R-290 refrigerant generated the total amount of CO2e emissions.

Purchased electricity:

For purchased electricity we relied on ConEdison utility bills provided by the client, which showed monthly electricity consumption in kWh. As such, we used the location-based approach. By summing electricity use from the ConEdison bill across the reporting year and multiplying by the emission factor for electricity, we arrived at the total emissions from purchased electricity.

Maison Jar also provided us with details on refrigeration, lighting, and dishwasher use, which allowed us to calculate a more granular breakdown of electricity use for illustrative purposes. By using the amperage and voltage of each appliance and multiplying by daily usage hours in store, we arrived at the total kWh electricity consumption by electricity use category. Multiplying by the emission factor for electricity enabled us to calculate total CO2e emissions.

Maison Jar: 2022 Greenhouse Gas Inventory

6. Summary of Greenhouse Gas Emissions

The following graph depicts the final result of our GHG inventory for Maison Jar:

From these results, we can see that the main drivers of Maison Jar’s overall GHG emissions are stationary combustion (natural gas) and purchased electricity. Refrigeration is present, but represents a very small amount of emissions compared to natural gas and purchased electricity. Purchased electricity drives nearly 75% of Maison Jar’s total emissions, and the top contributor to electricity use is refrigeration, indicating that refrigeration efficiencies may be an important part of Maison Jar’s GHG emissions reduction strategy in the future.

7. Science-Based Target

7.1. Recommended GHG Reduction Target

Setting a science-based target (SBT) for Maison Jar’s GHG emissions can help to align its operations with the goals outlined in the Paris Agreement, namely pursuing efforts to limit global warming to 1.5 degrees Celsius. This is in line with the new SBTi strategy to increase minimum ambition in corporate target setting from ‘well below 2°C’ to ‘1.5°C’ above pre-industrial levels.

Our recommendation for Maison Jar’s science-based target is as follows:

Breakdown of purchased electricity emissions:

“Maison Jar commits to reducing absolute Scope 1 and 2 GHG emissions by atleast 42% by a 2030 target year from a 2022 base year by employing an absolute reduction target setting approach across scope 1+2. Maison Jar also commits to sourcing upto 75% green electricity through the community solar initiative.”

Here’s how we determined these targets:

• To begin, we examined the current GHG emissions profile based on the data gathered following the GHG Protocol Corporate Standard. Understanding current emissions is crucial to set a realistic and achievable baseline from which we can measure future reductions.

• The second step involved selecting the ambition of Maison Jar’s target. For the 42% reduction target, we are following the Science Based Targets initiative’s (SBTi) criteria that call for a 1.5°C-aligned reduction target for Scope 1 and 2 emissions. This target is significantly more ambitious than the recently phased

out well-below 2°C target, aligning with Maison Jar’s clear commitment to lead in sustainability.

• We employed an absolute reduction target approach which fits the nature of Maison Jar’s operations, the size of the business, and its influence on Scope 3 emissions. Given that Maison Jar currently operates a single store, and considering the indirect nature of Scope 3 emissions in its supply chain, we suggest focusing on Scope 1 and 2 emissions at this stage.

• The final step involved modeling the targets. Using an absolute based approach as it is relevant for all sectors, we compared vari-

Maison Jar: 2022 Greenhouse Gas Inventory 17
Detailed summary of GHG Emissions Activity Data GHG Emissions (tons of CO2e) Scope 1 Stationary Combustion (Natural Gas) 73.13 mmBtu 3.88 Refrigeration 0.2 kg 0.0010 Scope 2 (Location-Based) Purchased Electricity 30,436 kWh 11.29 Refrigeration 19,392 kWh 7.2 Lighting 2,085 kWh 0.8 Dishwasher 2,519 kWh 0.9 All other electricity 6,440 kWh 2.4 Total Emissions Total Scope 1 and Location-Based Scope 2 Emissions 15.18

Source rideamigos.com/employee-commuter-programs

ous scenarios such as business as usual as well as the benefits of emission reduction initiatives. As Maison Jar progresses with these targets, we recommend revisiting them every few years to ensure

7.2. Recommendations to Achieve Target

We want to acknowledge that Maison Jar has made significant efforts to ensure low GHG emissions and commit to their mission of being “sustainable, accessible, and transparent”. At Maison Jar, both the owners and employees reside within close proximity to the store, allowing them to commute by foot. Moreover, the company does not own any company vehicles nor do they participate in business-related trips, which would otherwise contribute to their scope 3 emissions.

The store is also utilizing LED lighting throughout with a total of 34 bulbs.

Based on the inventory we found the potential opportunities for energy efficiency and reduce Scope 1 and Scope 2 GHG emissions include the following:

they remain aligned with the latest climate science and to reflect any changes in overall operations.

Refrigerator reductions:

The majority of Maison Jar’s scope 2 emissions stem from the operation of the store’s refrigerators, totaling eight units. Table 2 below indicates each model and the corresponding emissions and reductions. Models 1 and 4 are the highest-emitting with a total of about 4.0 tCO2e emissions per year. Our recommendation for Maison Jar discontinue use of these highest emitting refrigerators and replace them with lower emitting refrigerators models 5 and 6. We also recommend that Maison Jar replace refrigerator models 2 and 3 with 5 and 6 to further reduce GHG emissions. With this strategy, Maison Jar should have a total of six refrigerators (models 5 and 6) with an overall emission of 1.8 tCO2e by 2030.

Procuring Green Electricity:

In order to further reduce indirect emissions associated with purchased electricity, we recommend that Maison Jar procure 75% of its electricity through community solar projects. The most relevant would be New York City Community Energy Co-op which is present in Brooklyn and also accepting applications for subscriptions. This would allow Maison Jar to ensure that the amount of electricity they consume is supporting the equivalent amount of renewable energy production. An alternative option would be to approach YSG Community Solar however the proximity makes NYCE Co-op the best option. A fail-safe option would be to purchase renewable energy credits (REC’s) to offset emissions from electricity purchased

18 19 Refrigerator type Current # of refrigerators 2030 # of refrigerators Current tCO2e emissions 2030 tCO2e emissions Turbo Air TOM-60EB-N Black 60" Air Curtain Merchandiser (Model 1) 1 0 2.80 0.00 True GDM-23-HC~TSL01 27" One Section Glass Door Merchandiser (Fridge) (Model 2) 1 0 1.01 0.00 True GDM-23-HC~TSL01 27" One Section Glass Door Merchandiser (Freezer) (Model 3) 1 0 1.01 0.00 Turbo Air TBP48-46NN-S (Model 4) 1 0 1.18 0.00 Avantco A-12R-HC 25" Solid Door Reach-In Refrigerator (Model 5) 2 3 0.60 0.90 Coldline C12R 25" Solid Door Commercial Reach-In Refrigerator (Model 6) 2 3 0.60 0.90 Total electricity consumption 8 6 7.2 1.8

8. Conclusion

Due to the fact that this is Maison Jar’s first GHG inventory and report, the most apparent need is the integration of more thorough and specific data tracking methods geared towards GHG emissions data purposes. While the team was able to gather data on specific appliance models, lighting, and the building, there was a lack of data in regards to Scope 3 emissions. Because of the nature of Maison Jar’s business model, it is believed that the majority of its emissions are the result of Scope 3 and it is therefore strongly recommended that stringent data tracking processes be implemented in order to establish a more accurate baseline that can serve as a guide for future emissions reduction goals. This is especially important in relation to Scope 3 Purchased Goods and Services (Category 1).

The timeframe below was identified as a realistic time frame to implement the mentioned recommendations, given the size of Maison Jar’s managerial team and overall business at the time of writing this report.

Short term recommendations (1-3 years):

Recommendation 1:

The expansion of Maison Jar’s supplier database is imperative to its continued success in tracking, measuring and reducing its GHG emissions. To begin this process, it is recommended to keep more thorough records of spend per supplier within a specific financial timeframe, such as on a quarterly basis. Specific product information per supplier will also be imperative to collect, such as product type, quantity, weight per unit, and distance traveled to the storefront for delivery.

Recommendation 2:

Purchased electricity for refrigeration makes up roughly 67% of Maison Jar’s Scope 1 emissions. To address this, a more immediate action for reducing its overall emissions would be to conduct an assessment of the refrigeration models utilized in store and review more energy efficient alternatives. As an example, our assessment found that the open-front Turbo Air TOM-60EB-N Black 60” Air Curtain Merchandiser consumed the most energy out of all other refrigerator models used in-store.

Long term recommendations (4-7 years):

Recommendation 1:

As Maison Jar grows in size and capacity, its ability to further engage with its suppliers on GHG emissions reduction goals will increase as well. Looking to the future, Maison Jar will have the ability to share its goals with suppliers while simultaneously working with these companies to track and measure their own emissions. Through this collaboration, Maison Jar will gain the ability to make more informed decisions on product sourcing and future partnerships, further aiding in its emissions reduction achievements. The creation and implementation of a supplierspecific emissions checklist will streamline this process for the managerial team. An assessment of this type is recommended to be conducted on an annual or biannual basis.

Recommendation 2: Setting a sciencebased target is a commitment to a longterm transformation. Incorporating this target into Maison Jar’s overall business strategy is imperative, which will involve regular monitoring and reporting of emissions and sequestration efforts. Submitting this goal for review and approval from SBTi will further ensure its commitment to a more sustainable business model. It will also encourage Maison Jar to set a cadence for regular review of its data collection methodology to ensure accuracy and adherence to the regularly updated GHG Corporate Protocol and SBTi standards.

Maison Jar: 2022 Greenhouse Gas Inventory Maison Jar: 2022 Greenhouse Gas Inventory 20

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