Porter and Kramer Sustainability Report — page 1

_____________________________________________________________________________________________________

*Corresponding author: E-mail: nodinaka3@gatech.edu;

Cite as:

Odinaka, Nnadozie, and Oghenetega Wash–Anigboro. 2025. “Sustainability Practices in Fortune 500 Companies and

Their Impact on Business Practices: A Multiple Case Study Analysis”. Journal of Energy Research and Reviews 17 (7):17-26.

https://doi.org/10.9734/jenrr/2025/v17i7429.

Journal of Energy Research and Reviews

Volume 17, Issue 7, Page 17-26, 2025; Article no.JENRR.137075

ISSN: 2581-8368

Sustainability Practices in Fortune 500

Companies and their Impact on

Business Practices: A Multiple Case

Study Analysis

Nnadozie Odinaka

and Oghenetega Wash–Anigboro

Scheller College of Business, Georgia Institute of Technology, USA.

Harbert College of Business, Auburn University, USA.

Authors’ contributions

This work was carried out in collaboration between both authors. Both authors read and approved the

final manuscript.

Article Information

DOI:

https://doi.org/10.9734/jenrr/2025/v17i7429

Open Peer Review History:

This journal follows the Advanced Open Peer Review policy. Identity of the Reviewers, Editor(s) and additional Reviewers,

peer review comments, different versions of the manuscript, comments of the editors, etc are available here:

https://pr.sdiarticle5.com/review-history/137075

Received: 29/03/2025

Accepted: 31/05/2025

Published: 04/06/2025

ABSTRACT

This study assesses the incorporation of sustainable practices in selected Fortune 500 firms,

examining their overall effects, and impact on the broader industry. It utilizes an integrative

methodology that merges qualitative literature reviews, content analysis of corporate sustainability

reports, and expert opinions. Evidence shows that organizations that incorporate sustainable

practices into their operations are likely to reap long-term financial benefits, better brand visibility,

and strategic differentiation. The case studies reveal a diverse spectrum of approaches and

outcomes, highlighting significant progress in areas such as renewable energy adoption (Apple,

P&G), supply chain emissions reduction (Apple, Walmart), and sustainable finance commitments

(JPMorgan Chase). However, several challenges persist, notably the requirement for substantial

Short Communication

Porter and Kramer Sustainability Report — page 2

Odinaka and

Wash–Anigboro;

J. Energy Res. Rev., vol. 17, no. 7, pp. 17-26, 2025; Article no.JENRR.137075

upfront capital investments, the complexity of accurately quantifying sustainability outcomes, and

internal resistance to organizational transformation. This research underscores that effective

sustainability integration demands robust methodologies, data-driven evaluation, and bold

leadership. It concludes that sustainability is no longer a niche add-on but an increasingly central

component of business excellence and long-term competitiveness, offering valuable insights for

academics, industry practitioners, policymakers, and stakeholders.

Keywords: Sustainable practices; corporate governance; financial performance; industry benchmarks;

sustainability reporting; strategic differentiation.

1. INTRODUCTION

The growing emphasis on sustainability marks a

fundamental shift in how businesses view their

roles in society and their responsibilities toward

the environment. Historically seen mostly through

the lens of corporate social responsibility (CSR),

environmental

sustainability

initiatives

are

becoming more and more acknowledged as an

essential component of corporate strategy,

profoundly impacting profitability, competitive

differentiation, and market longevity (Hart and

Milstein, 2003,

Porter and Kramer, 2011). With

their great influence and large resources,

Fortune 500 firms are at the forefront of

this transition, setting precedents for industry-

wide practices and standards (Eccles et al.,

2014).

Recent global events, including climate change,

resource constraints, and changing regulatory

environments have further underscored the

urgency of integrating sustainability into core

business practices (Elkington, 1997). Businesses

today operate in an environment marked by

increased scrutiny from diverse stakeholder

groups

including

consumers,

investors,

policymakers, and civil society, each demanding

accountability and proactive efforts towards

environmentally sustainable practices (Porter

and Kramer, 2011).

Studies

show

that

organizations

adopting

comprehensive sustainability strategies not only

satisfy

ethical

obligations

but

also

enjoy

operational and financial advantages (Hart and

Milstein, 2003,

Friede et al., 2015). From

resource efficiency, cost savings, better brand

reputation, customer loyalty, enhanced employee

engagement, and greater resilience against

regulatory and market risks (Porter and Kramer,

2011,

Epstein and Buhovac, 2014). As a result,

sustainable

practices

have

evolved

from

peripheral initiatives to strategic imperatives,

radically changing management and corporate

governance.

Despite

this

recognized

importance,

implementing sustainability practices remains

complex and fraught with challenges. Obstacles

include

substantial

upfront

investments,

resistance

organizational

change,

and

difficulties in quantifying and disclosing outcomes

(Dyllick

and

Muff,

2016).

Furthermore,

considering the variety of industries within the

Fortune 500 list, sustainable practices vary

widely, reflecting industry-specific challenges and

stakeholder expectations (Kolk and Pinkse,

2008).

This paper seeks to provide a thorough

examination of these sustainability practices

among top Fortune 500 firms. It seeks to identify

the critical success factors and barriers in

sustainability integration, examine the wider

implications on industry-wide practices, and

discuss the implications for future business

strategies. By doing so, this study contributes

valuable

insights

for

academics,

industry

practitioners, policymakers, and stakeholders

seeking

grasp

the

strategic

value

sustainability in today’s corporate environment.

2. LITERATURE REVIEW

The

academic

discourse

corporate

sustainability

has

dramatically

changed,

reflecting a growing awareness of businesses'

roles and obligation towards environmental,

social, and governance (ESG) factors. The

foundational conceptualization of sustainability in

business is often traced to (Elkington, 1997)

triple bottom line approach, which advocates

balancing economic, social, and environmental

responsibilities within corporate operations. This

framework emphasizes the connection between

financial profitability, ecological stewardship, and

social accountability, asserting that sustainable

practices drive long-term value generation and

corporate resilience.

(Hart and Milstein, 2003) built upon this basis by

articulating a strategic approach to sustainability,

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highlighting its potential to deliver competitive

advantages via innovation, resource efficiency,

and improved stakeholder engagement. Their

model incorporates sustainability practices into

strategic planning, arguing that organizations that

proactively

address

global

environmental

concerns can access new markets, reduce

operational

costs,

and

improve

long-term

profitability.

(Porter and Kramer, 2011) came up with the

concept of "shared value," which made the

strategy

implications

sustainability

even

clearer. They proposed that sustainability should

not be viewed solely as ethical compliance or

corporate philanthropy

but as an integral

business strategy capable of creating competitive

advantages. By harmonizing corporate goals with

societal

needs,

companies

can

generate

economic

benefits

while

simultaneously

addressing environmental and social challenges.

These theoretical claims are supported by a

wealth of evidence, underscoring the financial

advantages of integrating sustainability into

business

practices.

(Eccles,

Ioannou,

and

Serafeim

2014)

provided

robust

evidence

indicating that companies implementing thorough

sustainability

plans

outperform

competitors

financially over the long run. Their findings

highlighted improved market valuation, higher

operational

efficiency,

and

better

risk

management capabilities among sustainably

focused companies.

(Carroll and Shabana, 2010) supported the

business case for CSR, emphasizing that

aligning social and environmental responsibilities

with corporate strategy can enhance long-term

financial performance. They argued that effective

CSR requires a balance of ethical commitment

and strategic intent, supported by empirical

evidence,

stakeholder

engagement,

and

integration into core business operations.

Similarly, (Friede, Busch, and Bassen 2015)

conducted a meta-analysis that synthesized over

2,000 empirical studies, demonstrating a strong

positive correlation between financial outcomes

and sustainability performance (ESG criteria).

This analysis strengthened the business case for

sustainability in business strategy practices. It

also highlighted benefits such as increased

investor

trust,

improved

reputation,

and

enhanced market competitiveness.

Despite the compelling evidence supporting

sustainability’s strategic importance, integrating

such practices into business operations remains

challenging.

(Epstein

and

Buhovac

2014)

identified various challenges that companies

encounter in integrating sustainability practices,

including difficulties in measuring and reporting

intangible

outcomes,

internal

opposition

stemming

from

organizational

culture,

and

significant upfront investments required for these

transformations. Their research suggests that

these barriers often hinder companies from fully

leveraging the potential benefits of a sustainable

practices.

(Kolk and Pinkse 2008) underscored sector-

specific differences, indicating that sustainable

practices and their corresponding advantages

markedly differ among industries. Their research

indicated that heavily regulated industries, like

energy,

automotive,

and

manufacturing,

generally include sustainable practices more

thoroughly into their strategy planning due to

increased regulatory oversight and stakeholder

demands relative to less examined sectors.

(Lozano 2015) reinforced the view, advocating a

holistic approach to sustainability integration, and

emphasizing

the

importance

aligning

sustainability practices within corporate culture,

governance structures, and business operations.

argued

that

successful

sustainability

integration requires comprehensive stakeholder

engagement, continuous monitoring, and robust

governance mechanisms.

In general, the existing literature emphasizes the

multidimensional

strategic

significance

sustainability, highlighting the critical challenges

in its integration as well as the benefits. The

purpose of this review is to establish a foundation

for comprehending the sustainability practices of

selected Fortune 500 companies, which will

inform subsequent analyses of the ways in which

these

practices

affect

broader

industry

standards, competitive dynamics, and regulatory

environments.

3. METHODOLOGY

3.1 Research Design and Approach

A multiple-case study approach was chosen to

examine sustainable practices across various

industries, providing comparative insights and

enhancing the generalizability of findings.

Each case (company) is treated as an embedded

unit of analysis, allowing in-depth exploration of

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firm-specific sustainability strategies while also

facilitating

cross-case

comparisons.

The

research is grounded in established sustainability

frameworks – for example, the

Triple Bottom Line

perspective (covering environmental, social, and

economic performance) and stakeholder theory.

These frameworks ensure that the analysis

captures

holistic

view

corporate

sustainability,

going

beyond

environmental

metrics to include social responsibility and

governance. Global Reporting Initiative (GRI)

guidelines

and

the

U.N.

Sustainable

Development Goals (SDGs) were used as

reference points.

Aligning the analysis with these criteria ensures

consistency

evaluating

each

company’s

performance and signals what is expected in

terms of disclosure and impact. Overall, the

research design is descriptive (mapping out what

sustainability initiatives companies have and their

outcomes).

3.2 Data Collection Methods and Sources

Both qualitative and quantitative data were

collected from multiple sources to ensure a

robust,

triangulated

assessment.

Primary

qualitative data consist of corporate sustainability

reports,

annual

reports,

and

official

ESG

(Environmental, Social, Governance) disclosures

from the selected companies as obtained from

the company’s website. These reports are rich in

narrative detail about goals, initiatives, and self-

reported progress. We reviewed key themes,

commitments, and strategies from the reports,

websites and documents– an approach similar to

prior

studies

that

analysed

Fortune

500

sustainability

reports

using

text

analysis

software.

In some instances, qualitative interviews or

statements from corporate leaders (sourced from

public interviews, earnings calls, or case studies)

were used to enrich the understanding of internal

motivations

and

implementation

challenges.

However, the bulk of data is documentary (from

publicly available reports and opinions). All data

were collected for the most recent reporting

periods available (generally the past 5–8 years of

sustainability reports and updates) to capture the

current state of practices and recent progress.

This multi-source data collection strengthens the

study’s validity through triangulation – cross

verifying claims (for example, if a company report

claims a certain emissions reduction, this was

cross-checked with CDP disclosures or third-

party analyses when available).

3.3 Case Studies

(The following case studies examine five Fortune

500 companies, each representing a different

industry:

technology,

finance,

energy,

manufacturing and retail. We analyse how each

company

approaches

sustainability,

what

initiatives and strategies they have implemented,

the challenges they face, and the outcomes of

their efforts. We also discuss how each

company’s sustainability journey influences or

reflect trend in its broader industry.).

3.4 Technology Sector – Apple Inc

Sustainability Strategy:

Apple has integrated

sustainability into its product design, supply

chain, and corporate operations, with the aim for

full carbon neutrality across its business and

product lifecycle by 2030. The company already

uses 100% renewable energy for its global

corporate operations and encourages suppliers

to adopt renewable power as well (Greener

wisdom, 2024).

Sustainability measures include using recycled

and responsibly sourced materials like recycled

aluminium and rare earth elements in new

devices. Apple also designs products for

enhanced

energy

efficiency

and

extended

lifespan, offering better battery life and regular

software updates. Additional initiatives include

investments in renewable energy

projects,

logistics

optimizations

such

compact

packaging, and programs like Apple Renew for

device trade-in and recycling. These initiatives

show

Apple's

commitment

integrating

innovation

with

environmental

stewardship,

tracked annually in its Environmental Progress

Reports (Greener wisdom, 2024).

Challenges and Outcomes:

Despite its strong

commitments, Apple faces several sustainability

challenges and criticisms. One challenge is that

Apple’s rapid growth and product demand can

counteract some gains. For instance, even as

each device becomes more efficient, the sheer

volume

products

means

Apple’s

total

environmental impact remains significant. Critics

have also questioned whether Apple’s pledges

are fully substantive. Some argue that Apple’s

sustainability push could be partly

marketing-

driven

, noting that certain efforts might not tackle

core issues. Accusations of “greenwashing” have

been made, suggesting Apple’s impressive

initiatives may “lack substantial impact or depth”

(Nando, 2023). For example, while Apple has

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reduced packaging and increased recycling, it

also has been criticized for product design

choices that limit repairability and upgradability of

devices.

Another challenge is in Apple’s supply chain.

Ensuring that suppliers (often in developing

countries) adhere to environmental and labour

standards is complex. Apple has implemented

stringent Supplier Codes of Conduct and

regularly audits suppliers for compliance, (Apple,

2022) but past issues (e.g. factory labour

conditions or mining impacts for minerals) show

the difficulties in managing sustainability end-to-

end.

In terms of outcomes

, Apple has made

substantial progress in sustainability by achieving

100%

renewable

energy

for

its

internal

operations and significantly reducing emissions

across its supply chain and products (Greener

wisdom, 2024). Investments in renewable energy

and improvements in product efficiency have

resulted in millions of tons of emissions

reductions annually. Recent

MacBook and

iPhone models incorporate 100% recycled

aluminium enclosures, reducing environmental

impacts from mining (Greener wisdom, 2024).

Apple's sustainability initiatives influence the

broader industry. Her transparency and annual

reporting (detailing scope 1, 2, and 3 emissions,

etc.) contribute to making such disclosures an

industry norm in tech driving competitors and

suppliers towards setting higher transparency

standards through detailed annual emissions

reporting.

3.5 Finance Sector – JPMorgan Chase &

Sustainability Strategy:

JPMorgan Chase, the

largest bank in the United States, approaches

sustainability mostly via sustainable finance and

risk management. As a financial institution, its

direct environmental impact from buildings and

operations is rather minimal; but, its sponsored

emissions, stemming from the firms and projects

it supports, are substantial. Recognizing this,

JPMorgan has made a series of commitments to

align its lending and investment portfolios with

climate goals. In 2021, it announced a goal to

achieve net-zero emissions by 2050 across its

financing

operations

(joining

the

Net-Zero

Banking Alliance at the time) (Sow, 2024).

JPMorgan also developed its

Carbon Compass

methodology to measure, monitor and report

progress on her financed emissions goals (JP

Morgan,

2025),

illustrating

data-driven

approach to track the climate alignment of its

lending.

Challenges and Performance:

JPMorgan’s role

as a bank means its sustainability record is often

judged by the companies it finances. A major

challenge for JPMorgan is the inherent conflict

between its sustainability pledges and its

historical role as a top financier of fossil fuels.

Advocacy groups have repeatedly identified

JPMorgan as, historically, the world’s largest

financier of the fossil fuel industry. (Lamar

Johnson 2024) noted that, since the Paris

Agreement

(2016–2023),

JPMorgan

has

provided over $430 billion in financing to fossil

fuel companies, the most of any bank globally.

Another challenge is methodological: accurately

measuring financed emissions depends heavily

on client data and market scenarios, with uneven

reporting

clients.

Short-term

financial

opportunities may also conflict with long-term

climate goals and JPMorgan seeks to mitigate

this tension by encouraging clients to adopt

Paris-aligned transition plans rather than abruptly

divesting,

although

the

effectiveness

engagement versus exclusion remains debated.

Looking at outcomes

. On the climate alignment

front, early reports show slight reductions in the

carbon intensity of its power generation portfolio

and auto manufacturing portfolio, indicating

incremental progress. However, overall financed

emissions are still very high, and JPMorgan’s

success in bending the curve will be clearer

closer to 2030 (JP Morgan, 2025).

The bank has also excelled in some social

sustainability metrics. For example, it reached a

milestone of 50% of hires being women and 45%

ethnically diverse in the U.S., ESG News (2024),

reflecting efforts to improve diversity and

inclusion (often included in its sustainability

reporting)

In terms of industry impact

, JPMorgan often

serves as a bellwether for the banking sector. Its

large

commitments

(like

the

$2.5

trillion

announcement)

(ESG

News,

2024)

have

arguably pushed other banks to announce similar

sustainable finance goals, fuelling a sort of

“race

to the top”

in green financing. Conversely, when

JPMorgan pulled out of the net-zero alliance, it

sparked concerns that other banks might follow

(and indeed some did), this showing how its

actions can affect norms in sustainable finance.

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3.6 Energy

Sector

–

Exxon

Mobil

Corporation

Sustainability Strategy:

Being an oil & gas

supermajor, Exxon’s approach to sustainability is

complex and often controversial. Historically,

ExxonMobil was slower than some peers to

acknowledge and tackle climate change; but, in

recent years it has developed a sustainability

strategy centred on what it calls the “dual

challenge”: meeting the world’s rising energy

demand while also mitigating climate change and

environmental impacts (ExxonMobil, 2025).

In practice, ExxonMobil’s sustainability efforts

have focused on operational efficiency and

technological solutions rather than a pivot away

from fossil fuels. For example, Exxon has set

targets to reduce methane leaks and routine

flaring from its oil and gas production, aiming to

lower its operational greenhouse gas intensity.

The company states it supports the Paris

Agreement and has

endorsed the idea of carbon

pricing

as a means to address climate change

(ExxonMobil, 2021).

Notably, unlike some European oil majors,

ExxonMobil has not committed to a company-

wide net-zero emissions target by 2050 for its full

value chain, focusing instead on a 2050 net-zero

ambition for its operational (Scope 1 and 2)

emissions and not its Scope 3 (product use)

emissions (Client Earth, 2021).

Challenges and Industry Implications:

The

main challenge is that Exxon’s core business

model does not align with global climate goals.

The company has continued to make significant

investments in new oil and gas projects,

spending tens of billions of dollars annually on

fossil fuel exploration and development, even

though the burning and exploration of its

products (oil, gasoline, natural gas) is a major

source of CO

₂

emissions globally (Client Earth,

2021).

Public and investor pressure has presented

another difficulty. When activist hedge fund

Engine No. 1 won three seats on Exxon’s board

in 2021 in an attempt to compel the company to

take more action on climate strategy, it sparked a

shareholder revolt against Exxon’s unwillingness

to change fast enough (Hiller and Herbst-Bayliss,

2021).

As for

outcomes

, ExxonMobil can point to some

progress: by 2025 (vs. 2016 levels), it aims to cut

upstream flaring and methane emissions by 40–

50%, and early reports indicate it’s on track,

having eliminated routine flaring

in some

operations and improved detection of methane

leaks. The company has operational excellence

in areas like safety and spill prevention, which

are also aspects of environmental performance.

However, in contrast to other cases, Exxon’s

measurable sustainability outcomes in terms of

absolute emission reduction are limited. Its

overall carbon footprint remains enormous and

has not shown a significant decline, given that oil

and gas output has not radically fallen. The

company’s positive contributions, like storing a

few million tons of CO

₂

or researching new

energy, are often perceived as overshadowed by

the scale of emissions from its main business.

The

broader

industry

implications

ExxonMobil’s stance are significant. Exxon’s

cautionary approach is emblematic of much of

the oil and gas industry’s dilemma: how to stay

profitable today (largely via fossil fuels) while

preparing for a low-carbon future. If Exxon were

to meaningfully pivot or set a net-zero target, it

could signal a stronger industry shift; instead, its

strategy has somewhat

held back the pace

among U.S. oil companies. (Notably, European

competitors like BP and Shell have taken more

aggressive stances on transitioning, whereas

Exxon and some U.S. peers have not, possibly

influencing others to also take a slower route in

North America).

3.7 Manufacturing Sector – The Procter &

Gamble Company (P&G)

Sustainability

Strategy:

Leading

global

consumer

goods

manufacturer,

Procter

Gamble (with brands like Tide, Pampers, Gillette,

etc.), has a comprehensive sustainability plan

that considers the company’s environmental

impact throughout the supply chain and product

life cycles. P&G’s approach is summed up in its

“Net Zero 2040” pledge and its ambitious goals

for 2030 and beyond, frequently referred to as

“Ambition 2030” (Procter & Gamble, 2022). It

established a science-based goal to reduce GHG

emissions by 50% by 2030 in comparison to a

baseline set in 2010 (Engie Impact, 2019).

Beyond climate, P&G’s sustainability strategy

has

key

pillars

Waste,

Water,

and

Forestry/Materials. Launching the first recyclable

shampoo bottle made partially of ocean plastic

(under the Head & Shoulders brand) was one

well-known waste initiative. P&G set out to

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source billions of litres of water from circular

(reused) sources. By creating detergents that

clean well in cold water, P&G encourages

customers to wash their laundry in cold cycles,

which saves energy, and it runs campaigns to

educate consumers about water conservation

(such as taking shorter showers with efficient

shower products). The company also focuses on

helping consumers use less water and energy

with its products. On material sourcing, P&G it

requires that all wood pulp and palm oil in its

products come from responsible sources (Lucà,

2016).

Challenges and Results:

One challenge is the

complexity of its supply chain and product

formulations;

ensuring

that

thousands

suppliers

(from

chemical

manufacturers

packaging suppliers to farmers of raw materials)

meet environmental and social standards is a

continuous

task.

P&G

frequently

has

collaborate with suppliers to innovate new

materials (like biodegradable ingredients or

recycled resins) that meet performance and

safety standards. And there can be higher costs

or technical hurdles in switching to greener

alternatives, which P&G must balance against its

financial goals.

The inherent sustainability trade-offs in some of

P&G's product categories presents another

difficulty. For instance, single-use consumer

products like razors and diapers generate waste.

P&G has tried recycling diapers and extending

the life of razors, but at its core, a large portion of

its business depends on disposables.

Although P&G tries to support it, it is partially

beyond

its

control

change

consumer

behaviour, such as encouraging people to

recycle packaging or accept reuse models.

Environmental organizations have also criticized

P&G for certain issues, such as the sourcing of

palm oil that contributes to tropical deforestation

and the sourcing of wood pulp for tissue products

that contributes to the loss of Canadian boreal

forests.

terms

outcomes,

P&G

has

made

measurable

progress

across

multiple

sustainability

fronts.

Climate-wise,

the

aforementioned >50% reduction in operational

GHG emissions by 2020 is a significant

achievement (Procter & Gamble, 2021). The

company noted that since 2010, its energy

efficiency improvements have saved it hundreds

of millions of dollars in energy costs (Kapadia,

2018).

This

reinforces

the

business

case

for

sustainability:

eco-efficiency

often

lowers

operating costs. By 2021, P&G reported reaching

97% renewable electricity globally (Ambition

2040 Ctap, 2021), including 100% in North

America and Europe, putting it close to its 100%

goal well ahead of 2030.

One notable result of P&G’s influence is that

many of its suppliers and peer companies have

adopted similar sustainability metrics, multiplying

the impact. For instance, P&G’s early move to

score suppliers on sustainability (Lucà, 2016),

likely encouraged the creation of industry-wide

tools for supplier sustainability assessments

(now common in manufacturing supply chains).

The broader implication in the consumer goods

and manufacturing industry is that sustainability

has become a key component of corporate

strategy. Competitors like Unilever, Nestlé, etc.,

often try to one-up each other in sustainability

commitments, which overall raises industry

standards.

3.8 Retail Sector – Walmart Inc

Sustainability Strategy:

The largest retailer in

the

world,

Walmart,

has

implemented

sustainability policies emphasizing its vast supply

chain and store operations. Recognizing that the

bulk of its environmental impact comes from the

production of goods it sells, Walmart’s flagship

initiative is Project Gigaton, launched in 2020.

The goal of Project Gigaton was to work with

suppliers to reduce or avoid one billion metric

tons (a gigaton) of greenhouse gases from the

global value chain by 2030 (Walmart Inc., n.d.).

Walmart’s approach has been to enrol suppliers

in climate action by providing toolkits, education,

and an online reporting platform for emissions

reduction projects.

Walmart also drove sustainability initiative largely

through its products and sourcing models. It

developed a Sustainability Index (in collaboration

with The Sustainability Consortium) to evaluate

the environmental effect of items on its shelves,

encouraging

suppliers

improve

scores.

Essentially, Walmart’s sustainability strategy is

defined by leveraging its massive scale for

influence on her suppliers:

“when the world’s

largest retailer takes on a supply chain initiative,

the results can have global ramifications”

(Unglesbee, 2024).

Walmart has also advanced in its own activities;

it has reduced energy intensity in stores through

Porter and Kramer Sustainability Report — page 8

Odinaka and

Wash–Anigboro;

J. Energy Res. Rev., vol. 17, no. 7, pp. 17-26, 2025; Article no.JENRR.137075

LED lighting and efficient HVAC systems,

increased electric vehicle use in its logistics, and

diverted waste from landfills (many Walmart

locations have recycling programs, and some

achieved zero waste status). While exact figures

vary by region, Walmart has steadily increased

its use of renewables (dozens of onsite solar

installations and wind power contracts) and is

aiming for a 100% renewable electricity by 2035

Challenges and Outcomes:

Internally, a key

difficulty was getting tens of thousands of

suppliers, mainly in developing nations, to

prioritize emissions reduction and other goals.

One way Walmart tackled this was by offering

incentives and resources: it taught suppliers on

the benefit of sustainability (for example, how

cutting energy use can lower costs) and even

facilitated access to financing for sustainability

improvements.

Culturally, Walmart had to educate its customers

and merchandisers to consider sustainability in

product

sourcing

decisions,

which

meant

redefining metrics of success beyond price and

quality to include environmental impact. Inspite of

these

challenges,

Walmart

has

reported

impressive financial outcomes. In 2024, the

company announced that it met its Project

Gigaton target, a full six years ahead of schedule

(Unglesbee, 2024).

The

broader

implications

Walmart’s

sustainability initiatives are substantial for the

retail industry. Walmart effectively set new norms

for supply chain engagement on sustainability –

its Project Gigaton demonstrated that a retailer

can influence Scope 3 (supply chain) emissions

at scale, something many companies struggled

with. And this has put pressure on other retailers

and large brand manufacturers to implement

similar programs or risk falling behind in climate

action. Indeed, peers like Target, Amazon, and

others have announced their own supplier

sustainability programs, in part to keep up with

the standards Walmart helped establish.

4. CONCLUSION

These case studies of these companies across

different industries demonstrates a spectrum of

sustainability practices and their outcomes. Each

company – Apple, JPMorgan, ExxonMobil,

Procter & Gamble, and Walmart– has integrated

sustainability into their operations to varying

extents, reflective of its industry context and

stakeholder pressures. From the tech sector’s

push for carbon-neutral products to retail’s

supply-chain-wide initiatives, and from finance’s

capital reallocation to manufacturing’s lifecycle

management, it is clear that sustainability has

become

strategic

imperative

for

large

corporations. The challenges are as notable as

the achievements: companies must continuously

innovate, invest, and sometimes fundamentally

change

their

business

models

meet

sustainability

goals,

all

while

maintaining

profitability

and

navigating

stakeholder

expectations (Bonini and Swartz, 2014).

In conclusion, by looking at the sustainable

practices of influential fortune 500 companies,

this study provides insights into how leading

global firms are navigating the complexities of

integrating

sustainability

into

their

core

operations and governance. It highlights not only

the strategic benefits but also challenges like

capital investments and outcome quantification.

In light of these developments and changes at all

levels, sustainability practices have become an

urgent necessity for companies to adopt in their

business practices, activities, and strategies in

order to achieve success factors and attract the

largest possible number of stakeholders, which is

what this study confirms. So, the broader

implication for industry is that sustainability is no

longer a niche add-on but is increasingly central

business

excellence

and

long-term

competitiveness (Brand, 2025).

DISCLAIMER (ARTIFICIAL INTELLIGENCE)

Author(s) hereby declare that NO generative AI

technologies such as Large Language Models

(ChatGPT, COPILOT, etc) and text-to-image

generators have been used during writing or

editing of this manuscript.

COMPETING INTERESTS

Authors have declared that no competing

interests exist.

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Disclaimer/Publisher’s Note:

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author(s) and contributor(s) and not of the publisher and/or the editor(s). This publisher and/or the editor(s) disclaim responsibility for

any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.

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), which permits unrestricted use,

distribution, and reproduction in any medium, provided the original work is properly cited.

Peer-review history:

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