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The rise in global temperatures is a concern that many are taking seriously. Governments, big companies, small businesses, and everyday people are looking for ways to reduce greenhouse gas emissions to lessen climate change risks. One method that’s gaining a lot of attention is using carbon credits. This idea helps provide financial rewards for those who cut down on emissions and support the growth of clean energy sources. This article is the 5th part of our new series based on our 2023 Climate Change and Carbon Markets Annual Report. The series so far includes:

In this post, we’re going to explore the journey of carbon credits from the start with the Kyoto Protocol to now with the Paris Agreement. We’ll look at how global agreements on climate have evolved and how carbon credits play a crucial part in these. Through this discussion, we hope to give a clear picture of how the world is working together to create a sustainable environment for the future.

The Kyoto Protocol: Setting the Stage for Carbon Credits

The Kyoto Protocol, established under the United Nations Framework Convention on Climate Change (UNFCCC) in 1997, marked the inception of formalized global efforts to curb greenhouse gas (GHG) emissions. This landmark treaty set forth binding emissions reduction targets for 37 industrialized nations and the European Union, aiming to reduce emissions to 5% below 1990 levels between 2008 and 2012. A subsequent amendment in 2012 extended these targets to 2013-2020. Central to the Kyoto Protocol was the innovative concept of carbon credits, designed to provide economic incentives for emissions reductions. The Protocol introduced Emissions Trading, the Clean Development Mechanism (CDM), and Joint Implementation (JI), laying the foundation for the global carbon credit framework (see: https://unfccc.int/news/kyoto-protocol-paves-the-way-for-greater-ambition-under-paris-agreement#:~:text=,like%20Germany%20by%2030%20percent).

Key facts:

  • The Kyoto Protocol committed developed countries to emissions reduction targets of 5% below 1990 levels between 2008-2012. This was later extended to 2013-2020 with an amended treaty.
  • The innovative mechanisms introduced included Emissions Trading, CDM, and JI which provided the blueprint for carbon credits trading.

Paris Agreement: A New Dawn in Global Climate Cooperation

The Paris Agreement, adopted in 2015, emerged as a robust successor to the Kyoto Protocol, reflecting a global shift towards more inclusive and ambitious climate action. Unlike the Kyoto Protocol, which placed binding targets on developed countries alone, the Paris Agreement encourages all nations to contribute towards global emissions reduction. This inclusive framework aims to limit global temperature rise to well below 2°C, with an ambition of 1.5°C above pre-industrial levels. The Paris Agreement introduced the Sustainable Development Mechanism (SDM), poised to replace the Kyoto Protocol’s Clean Development Mechanism (CDM), signifying a transformation in the realm of carbon credits and setting a new trajectory for global environmental strategies (see: https://greencoast.org/kyoto-protocol-vs-paris-agreement).

Key facts:

  • The Paris Agreement set a more ambitious goal of limiting global warming to 1.5°C compared to the Kyoto Protocol’s 2°C target.
  • It has a universal framework encouraging all countries to contribute, unlike the Kyoto Protocol’s binding targets just for developed nations.
  • Introduced the SDM to replace the CDM, reflecting an evolution in carbon credits post-Kyoto.

Why Some Countries Opted Out: Economic and Strategic Considerations

The Kyoto Protocol faced resistance from some major emitting countries due to concerns surrounding economic competitiveness and equity. The U.S., citing potential economic drawbacks and the lack of binding commitments on developing countries, chose not to ratify the Protocol. Canada withdrew in 2011, expressing concerns over the Protocol’s ability to effectively address global emissions without the participation of major emitters like the U.S. and China. These decisions underscored the complex interplay of economic, strategic, and environmental considerations that influence international climate agreements and the operationalization of carbon credits (see: https://kleinmanenergy.upenn.edu/news-insights/lessons-learned-from-kyoto-to-paris).

Key facts:

  • The U.S. and Canada opted out due to concerns over economic impacts and equity without developing nations’ commitments.
  • Highlights the strategic considerations alongside environmental ones in climate agreements.

Carbon Credits – A Mechanism to Meet Targets

The Kyoto Protocol introduced pioneering mechanisms like Emissions Trading, the Clean Development Mechanism (CDM), and Joint Implementation (JI) to help nations meet their emissions reduction targets. These mechanisms provided the blueprint for the evolution of the carbon credit system, allowing for the trading of emission allowances and fostering international collaboration on carbon sequestration projects. The Paris Agreement further refined these mechanisms, introducing the Sustainable Development Mechanism (SDM) to build upon the successes and lessons learned from the Kyoto-era mechanisms, thereby enhancing the global carbon credit framework.

Key facts:

  • Emissions Trading, CDM, and JI were introduced under Kyoto as innovative ways to meet reduction targets.
  • Paris Agreement’s SDM builds on these mechanisms to further improve the carbon credits system.

The Decline of the CDM: Transitioning to a New Era

With the advent of the Paris Agreement, the Clean Development Mechanism (CDM) saw a decline in prominence as the Sustainable Development Mechanism (SDM) emerged. This transition reflects the global community’s adaptive approach to evolving environmental challenges. The SDM, with its broader scope and enhanced flexibility, aims to address the shortcomings of the CDM, offering a more robust framework for carbon credit initiatives. The shift from CDM to SDM signifies a continued evolution in the mechanisms governing carbon credits, aligning with the ambitious global climate goals set forth by the Paris Agreement.

Key facts:

  • The CDM is being replaced by the more robust SDM under Paris reflecting an adaptive approach.
  • SDM has a wider scope and flexibility compared to CDM.

Challenges in Participation: Navigating Global Climate Dynamics

The participation challenges faced by the Kyoto Protocol highlight the complexities inherent in global climate agreements. Major emitters like the U.S. and China’s reluctance to commit to binding emissions reduction targets under the Kyoto Protocol underscored the need for a more inclusive approach. The Paris Agreement, with its universal framework for climate action, addresses some of these challenges by encouraging all nations, regardless of their economic status, to contribute towards global emissions reduction. However, the nuances of national and global priorities continue to influence the level of participation and commitment to carbon credit initiatives.

Key facts:

  • Universal participation under Paris was designed to address the lack of major emitters’ commitment under Kyoto.
  • National interests still impact countries’ levels of commitment to climate agreements.

The Role of the International Transaction Log (ITL): Ensuring Transparency and Accountability

The International Transaction Log (ITL) plays a crucial role in the operationalization of carbon credits by ensuring transparency, accountability, and efficiency in carbon credit transactions. Established by the Secretariat of the Conference of Parties, the ITL meticulously records carbon credit transactions, preventing potential issues like double-counting of reductions or the sale of identical credits multiple times. The ITL, by bridging national emissions trading registries and the UNFCCC, exemplifies the global commitment to a transparent and accountable carbon credit system, underpinning the credibility of international emissions trading initiatives.

Key facts:

  • The ITL prevents double-counting and ensures transparency in carbon credits trading.
  • It bridges national registries and UNFCCC to enable international cooperation.

Risks and Mitigation in Carbon Credit Projects: Ensuring Viability and Sustainability

Carbon credit projects, inherent with regulatory and market risks, necessitate robust mitigation strategies to ensure their viability and sustainability. The complexities of regulatory approvals, monitoring actual emissions, and navigating volatile market dynamics pose challenges to carbon credit projects. Leveraging approved CDM technologies and entering into long-term fixed-price contracts can significantly reduce these risks. The evolving carbon credit framework, transitioning from CDM to SDM under the Paris Agreement, reflects a continued effort to address these risks and enhance the sustainability of carbon credit projects.

Key facts:

  • Regulatory and market risks pose viability challenges for carbon credit projects.
  • CDM methodologies and long-term contracts help mitigate risks.

Controversies in Land Use Projects: Navigating Carbon Sequestration Challenges

Land use projects under the Kyoto Protocol aimed at GHG removals and emissions reductions through activities like afforestation and reforestation. However, they faced resistance due to challenges in estimating and tracking GHG removals over extended periods. The complexities of measuring carbon sequestration, particularly in vast forested areas, underscore the controversies and challenges inherent in the carbon credits domain. The Paris Agreement, with its enhanced framework for carbon credit initiatives, offers avenues to address some of these challenges, promoting a more robust and transparent approach to land use projects within the carbon credits framework.

Key facts:

  • Estimating and monitoring carbon sequestration from land use projects is complex.
  • Caused controversies under Kyoto but Paris Agreement provides scope to improve.

Conclusion – Carbon Credits and the Evolution of Global Climate Strategy

The journey of carbon credits, from the early days of the Kyoto Protocol to the transformative era of the Paris Agreement, offers a window into the world’s evolving approach to climate change mitigation. The innovative mechanisms introduced under these agreements have played a pivotal role in shaping the global carbon credit framework. As nations continue to navigate the complex landscape of global climate cooperation, understanding the intricacies of carbon credits remains pivotal in the collective quest for a sustainable future. Through the lens of carbon credits, we witness the global community’s adaptive strategies in the face of evolving environmental challenges, charting a course towards a more sustainable and resilient global climate framework.

Sources and References:

Image credit:

Kelly Sikkema on Unsplash

Carbon Footprint

Google Locks In 100 MW of Offshore Wind to Power Europe’s AI Growth

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Google Locks In 100 MW of Offshore Wind to Power Europe’s AI Growth

Google has signed a long-term offshore wind power deal in Germany as it expands artificial intelligence and cloud infrastructure across Europe. The agreement is a 15-year power purchase agreement (PPA) with German utility EnBW. It covers 100 megawatts (MW) of electricity from the He Dreiht offshore wind farm in the North Sea.

The deal links Google’s growing electricity demand directly to new renewable generation. It also reflects a wider shift among large technology firms toward long-term clean power contracts tied to specific projects.

Adam Elman, Director of Sustainability EMEA at Google, remarked:

“Meeting the demand for AI infrastructure requires direct investment in the energy systems that make this technology possible. By contracting for new wind power from EnBW, we are bringing more clean energy online in Germany to power our operations, while accelerating the broader transition to a more sustainable electricity grid.”

AI Is Turning Electricity Into a Strategic Asset

According to EnBW, the He Dreiht wind farm will have a total capacity of 960 MW. It will use 64 offshore wind turbines and is expected to connect to the grid by spring 2026. The site is located around 90 kilometers northwest of Borkum and 110 kilometers west of Helgoland.

For Google, the agreement supports its goal of operating on 24/7 carbon-free energy by 2030. This means matching electricity use with carbon-free power every hour of the day, not just on an annual basis.

Google’s power demand is rising quickly. The main driver is artificial intelligence. AI systems need large amounts of computing power, which in turn requires large amounts of electricity.

The International Energy Agency (IEA) estimates that data centers used about 415 terawatt-hours (TWh) of electricity in 2024. That equals around 1.5% of global electricity demand. The IEA also notes that data center demand has grown at a double-digit annual rate in recent years. The same trend is forecasted by an industry report, as shown below.

AI data center energy GW 2030

Germany plays a key role in Google’s European expansion. In late 2025, Google announced plans to invest €5.5 billion in the country between 2026 and 2029. The investment includes a new data center in Dietzenbach, near Frankfurt, and continued development of its Hanau data center campus, which opened in 2023.

Data centers need reliable power around the clock. They also face rising pressure from governments, investors, and customers to reduce emissions. Long-term renewable PPAs help companies manage both issues.

By signing a 15-year contract, Google gains price certainty and supply stability. At the same time, the contract helps EnBW finance a large offshore wind project that adds new clean electricity to Germany’s grid.

A Flagship Wind Farm in the North Sea

Germany already has one of Europe’s largest offshore wind fleets. By the end of 2024, the country had 31 offshore wind farms fully in operation. Installed offshore wind capacity reached about 9.2 gigawatts (GW) in total. Around 7.4 GW sits in the North Sea, while about 1.8 GW is in the Baltic Sea.

He Dreiht is one of the largest offshore wind projects currently under construction in Germany. With 960 MW of capacity, it will add a meaningful share to the national total once it comes online.

The project also reflects a broader trend toward larger offshore turbines. According to industry data, offshore turbines commissioned in Germany in 2024 had an average capacity of 10.2 MW. The first 11 MW turbine entered operation that year, and 15 MW turbines are expected to appear in German waters starting in 2025.

offshore wind energy Germany map
Source: Deutsche WindGuard

Larger turbines can generate more electricity with fewer units. This can reduce seabed disturbance and installation time. However, it also requires stronger foundations, larger vessels, and more robust grid connections.

For EnBW, He Dreiht is a flagship project. The utility has already signed multiple PPAs for the wind farm with corporate buyers. This shows how offshore wind developers are increasingly relying on long-term corporate demand alongside traditional utility customers.

Why Corporates Are Becoming Power Buyers

Power purchase agreements play a growing role in clean energy finance. A PPA is a contract where a buyer agrees to purchase electricity from a specific project at agreed terms over many years.

For developers, PPAs reduce financial risk. They help secure loans and attract investors by offering predictable revenue. For buyers, PPAs provide access to clean power without owning generation assets.

This model is becoming more common as electricity demand rises and clean energy targets tighten. The IEA reports that global energy investment exceeded $3 trillion in 2024 for the first time. Around $2 trillion of that went into clean energy technologies and infrastructure, including renewables, grids, and storage.

Europe is a key market in this shift. Offshore wind plays a major role because it can produce large volumes of electricity close to industrial and urban centers. Germany plans to keep expanding offshore wind as part of its long-term energy strategy. It plans to expand grid-connected offshore wind power capacity to at least 30 gigawatts by 2030, 40 gigawatts by 2035, and 70 gigawatts by 2045.

Germany offshore wind capacity additions 2034
Source: Deutsche WindGuard

Corporate PPAs like Google’s agreement with EnBW help speed up this build-out. They send clear demand signals to developers and help reduce reliance on government subsidies.

From Annual Offsets to 24/7 Clean Power

Google’s long-term climate strategy goes beyond buying renewable energy certificates. The company aims to operate on 24/7 carbon-free energy in every region where it runs data centers and offices.

Google carbon-free energy goal 2030
Google’s Carbon-Free 2030 Goal

This approach focuses on real-time matching. It encourages a new, clean generation in the same places where electricity is used. Offshore wind PPAs fit well into this strategy in coastal countries like Germany.

Still, a 100 MW contract covers only part of Google’s total electricity needs. Large data centers can consume hundreds of megawatts on their own. As AI workloads grow, total demand could rise further.

That means Google will likely need a mix of solutions. These may include additional wind and solar PPAs, energy storage, grid upgrades, and partnerships with utilities and governments.

SEE MORE on Google:

Google’s clean energy buying reached a new scale in 2024, as rising AI and digital demand pushed electricity use higher. The company signed contracts for over 8 gigawatts (GW) of new clean energy this year. This is its largest annual procurement ever and double the amount from 2023.

Since 2010, Google has secured over 22 GW of clean energy through more than 170 agreements. This amount is about the same as Portugal’s total renewable power output in 2024. More than 25 projects came online in 2024 alone, adding 2.5 GW of new generation.

Despite a 27% rise in electricity use, Google cut data center energy emissions by 12%. This shows how clean energy purchases support its goal to run on 24/7 carbon-free energy by 2030.

Google data center energy use

The EnBW agreement shows one way forward. It ties new AI infrastructure directly to new renewable supply. It also spreads investment risk between a technology company and a utility.

Big Tech Is Reshaping How Power Gets Built

Google’s 15-year offshore wind deal highlights a broader shift in how clean energy projects are financed and used. Large corporate buyers are no longer just passive consumers of electricity. They are becoming active players in energy markets.

For Germany, the deal supports offshore wind expansion at a time when power demand is rising from electrification, industry, and digital services. For EnBW, it provides long-term revenue certainty, and for Google, it helps align AI growth with climate goals.

The next phase will test execution, but the direction is clear. As AI drives electricity demand higher, long-term renewable contracts are becoming a central part of energy planning. Google’s offshore wind agreement in Germany is one of the clearest examples of how these trends are coming together.

The post Google Locks In 100 MW of Offshore Wind to Power Europe’s AI Growth appeared first on Carbon Credits.

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How BYD’s European Surge and Canada Deal Are Challenging Tesla’s EV Dominance

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Chinese electric vehicle (EV) giant BYD is accelerating its global expansion, especially in Europe and Canada. In contrast, Tesla is losing ground across key markets. New sales data, policy shifts, and geopolitical deals suggest a major shift in the EV landscape.

This trend matters not just for automakers. It also impacts battery metals, supply chains, carbon markets, and the future of clean mobility.

BYD’s Germany Boom Marks Europe’s EV Shake-Up

BYD recorded a dramatic surge in German sales in January 2026. Bloomberg highlighted data from Germany’s Federal Motor Transport Authority (KBA) showing that BYD’s registrations jumped more than 10-fold from January 2025. The company sold only 235 vehicles in Germany last year, but recent data suggests sales likely exceeded 2,500 units.

Meanwhile, Tesla struggled. BYD more than doubled Tesla’s registrations in Germany during the same month.

Overall, car sales in Germany declined 6.6% to 193,981 vehicles in January. However, electric cars still accounted for 22% of new registrations, highlighting strong demand for EVs despite a weak auto market. This surge shows that BYD’s low-cost models and expanding lineup are gaining traction in Europe’s largest automotive market.

Significantly, the German numbers reflect a broader European trend. Throughout 2025, BYD recorded more than 200% year-on-year growth in many months. In December 2025 alone, its European registrations reached 27,678 units—up nearly 230%.

byd europe
Source: ElectricVehicles.com

Breakthrough in Spain

Spain emerged as another key battleground. BYD dominated the Spanish EV and plug-in hybrid market in January 2026.

  • The company registered 1,962 vehicles, a 64.6% year-on-year increase. It captured a 13.6% market share, leading both fully electric and plug-in hybrid segments.
  • Fully electric sales rose nearly 30% to 1,039 units, putting BYD ahead of Kia and Mercedes-Benz. Tesla ranked fourth, with only 458 fully electric vehicles sold.

Spain’s performance highlights BYD’s strategy of combining affordable EVs with hybrids to capture diverse buyers.

Notably, BYD also sold 1,326 battery-electric vehicles in the UK, marking a nearly 21% increase from the previous year.

Tesla’s European Sales Collapse Deepens

Tesla, on the other hand, saw sales decline every month in Europe during 2025. The trend continued into 2026. Its struggles were especially visible in Northern and Western Europe.

In five major European markets, Tesla’s registrations fell 44% year-over-year in January. This marked the third consecutive year of shrinking sales across the region.

  • Norway: Registrations collapsed by 88%, with only 83 vehicles sold.
  • Netherlands: Sales dropped 67%.
  • France: Registrations fell 42% to 661 vehicles, the lowest in over three years.
  • United Kingdom: Sales plunged more than 57% to just 647 vehicles.

Policy changes played a role. Norway reduced EV tax incentives starting January 1, which hurt Tesla demand. However, the scale of the decline surprised analysts.

Even in Sweden and Denmark, where Tesla saw sales rise by 26% and 3%, the total number of cars sold remains low. These minor gains do little to offset the sharp decline compared with two years ago.

TESLA europe

Analysts believe that one key issue is Tesla’s aging lineup. The Model Y, once a top seller, is now over four years old, and buyers are looking for newer options. Although Tesla launched more affordable “Standard” versions of the Model Y and Model 3, these updates have not been enough to reverse the downward trend.

In the current scenario, Tesla is not only losing ground to Chinese brands. European automakers are also regaining market share. Volkswagen overtook Tesla in 2025 to become Europe’s top-selling EV brand. It sold around 274,000 units, compared to Tesla’s 235,000.

This shows Europe’s EV market is becoming more competitive, with local manufacturers and Chinese brands challenging Tesla’s early dominance.

tesla byd europe
Source: CNeV

Canada Opens the Door to Chinese EVs

Europe is not the only region where BYD is gaining ground. Prime Minister Mark Carney signed a landmark trade agreement with China on January 16, 2026. This deal allows Chinese-made EVs to enter the market at low tariffs.

  • So Canada will allow up to 49,000 Chinese EVs annually at a tariff rate of 6.1%. This marks a sharp reversal from the 100% tariff imposed in October 2024.

Also, the quota could rise to about 70,000 vehicles within five years. By 2030, at least half of imported Chinese EVs must be priced below CAD 35,000. In exchange, China agreed to reduce tariffs on Canadian canola seed, improving agricultural trade relations.

PM Carney said,

“At its best, the Canada-China relationship has created massive opportunities for both our peoples. By leveraging our strengths and focusing on trade, energy, agri-food, and areas where we can make huge gains, we are forging a new strategic partnership that builds on the best of our past, reflects the world as it is today, and benefits the people of both our nations.” 

BYD Gains a Regulatory Edge in Canada

BYD holds a unique advantage in Canada. Its manufacturing facilities in Shenzhen and Xi’an are already approved for Canadian imports. This pre-clearance gives BYD a head start over rivals like NIO, XPeng, and Li Auto. However, other Chinese brands must wait for regulatory approvals or rely on slower case-by-case processes.

BYD also operates an electric bus assembly plant in Ontario, strengthening its local presence. Furthermore, affordable models like the Seagull and Dolphin, priced between $20,000 and $30,000, could qualify under Canada’s affordability requirements.

Political Backlash and U.S. Concerns

The Canada-China EV deal triggered political controversy. Ontario Premier Doug Ford initially urged Canadians to boycott Chinese EVs, warning the agreement could hurt domestic manufacturing.

Labor unions and automakers also expressed concern. They fear the deal could weaken North America’s automotive industry and strain U.S.-Canada trade relations.

As per reports, U.S. President Donald Trump threatened tariffs on Canadian goods if the deal moves forward, calling it a “disaster.” However, Canadian officials argue the agreement aligns with USMCA rules and will expand the EV market.

Analysts estimate Chinese EVs could capture around 23% of Canada’s EV sales in the first year, saving consumers about CAD 6,700 per vehicle.

Canada EV
Source: S&P Global

Stock Market Snapshot: BYDDY vs TSLA

BYD’s (BYDDY) stock trades around $11.28 per share, with a market cap of roughly $102 billion. The stock is near the lower end of its 52-week range, reflecting margin pressures and geopolitical risks.

byddy stock
Source: Yahoo Finance

Tesla’s (TSLA) stock trades near $406 per share, with a market cap of about $1.35 trillion. Analysts expect a volatile 2026, with forecasts ranging widely depending on EV demand and margins.

tesla TSLA
Source: Yahoo Finance

Despite Tesla’s valuation premium, BYD’s rapid sales growth is reshaping investor sentiment.

The Bigger Picture: A Global EV Power Shift

BYD’s rapid rise shows how the EV industry is changing. Chinese automakers are using scale, government support, and efficient production to challenge Western rivals. At the same time, Tesla remains strong in technology, software, and brand recognition. Yet, price competition and shifting policies are reshaping the market.

In Europe, declining subsidies, along with Canada’s new trade rules and ongoing geopolitical tensions, are affecting EV adoption and corporate strategies. As BYD gains ground in Germany, Europe, and Canada, it signals a turning point in the global EV race. Tesla’s falling sales highlight the increasing pressure from both Chinese and European competitors.

For investors, policymakers, and climate advocates, these trends matter. They will influence battery supply chains, emissions targets, and the demand for carbon credits. The EV transition is no longer led by a single company—today, it has become a global contest for scale, affordability, and sustainable leadership.

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Walmart Hits $1 Trillion Milestone And Its Climate Footprint Just Got Bigger

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Walmart Hits $1 Trillion Milestone And Its Climate Footprint Just Got Bigger

Walmart has crossed a historic financial mark. It became the first traditional retailer to reach a $1 trillion market value, a level previously limited to technology and energy giants.

The milestone followed a strong move in the company’s share price. During recent trading in New York, Walmart’s stock rose by about 1.6% and hit an intraday high of around $126 per share.

That gain pushed the Bentonville, Arkansas-based retailer past the trillion-dollar threshold. Since the start of the year, Walmart’s stock has been up about 12%, far ahead of the S&P 500, which has gained less than 2% over the same period.

Walmart WMT stock price

Investors have responded to Walmart’s steady revenue growth, digital expansion, and cost control. At the same time, the company has continued to expand its environmental and climate commitments. Given Walmart’s size, those efforts carry weight across global supply chains.

Big Targets for an Even Bigger Footprint

Walmart has set long-term climate targets that cover its own operations and its value chain. The company aims to reach zero greenhouse gas emissions across global operations by 2040, without using carbon offsets. It also plans to source 100% renewable electricity by 2035.

These targets apply to Scope 1 and Scope 2 emissions. Scope 1 includes direct emissions from company operations. Scope 2 covers emissions from purchased electricity. Walmart’s strategy includes improving energy efficiency, switching to low-impact refrigerants, and electrifying parts of its vehicle fleet.

walmart emissions WMT stock
Source: Walmart

Most of Walmart’s emissions sit outside its direct control. Like many large retailers, the bulk of its footprint comes from suppliers, logistics, and product use. To address this, Walmart launched Project Gigaton in 2017. The program set a goal to avoid, reduce, or remove one billion metric tons of greenhouse gas emissions from the global value chain by 2030.

Walmart gigaton project goals
Source: Walmart

Progress Made, Deadlines Slipping

Walmart’s reporting shows clear progress in several areas.

On clean power, the company said that nearly half of its global electricity use now comes from renewable sources. This includes on-site generation and long-term power purchase agreements tied to wind and solar projects. These steps move Walmart closer to its 2035 renewable energy target.

On emissions, Walmart has reduced Scope 1 and Scope 2 emissions by about 18% compared with its 2015 baseline. During this time, the company cut carbon intensity by 45%. This means it emits less for each unit of business activity.

Project Gigaton has also delivered results. Walmart announced it hit its one-billion-ton emissions reduction goal six years early, 1.19 billion metric tons of CO₂e. Over 5,900 suppliers joined in. They helped cut down on energy use, packaging, transportation, and waste.

Walmart project gigaton progress
Source: Walmart

Still, the path to net zero is not smooth. Walmart has admitted that it probably won’t meet its interim goals. These include reducing Scope 1 and 2 emissions by 35% by 2025 and 65% by 2030, based on 2015 levels. The company has pushed those timelines further out as it faces technical and operational limits.

Where Most Emissions, and Leverage, Live

Supply chains remain Walmart’s biggest climate challenge. In retail, Scope 3 emissions often account for the vast majority of total emissions. Industry research shows that for large retailers, supply chain emissions can make up as much as 90% to 98% of total carbon output.

Walmart scope 3 emissions 2024

Project Gigaton targets this gap. It asks suppliers to set goals in six areas, including energy, waste, packaging, agriculture, and logistics. Many suppliers focus on energy efficiency and renewable power, while others work on sustainable sourcing and transport optimization.

With that initiative, emissions intensity in Scope 3 has dropped by about 6.2% since 2022. This shows progress in lowering the carbon intensity of the wider supply chain.

Beyond emissions, Walmart has expanded work on waste reduction and responsible sourcing. The company promotes circular economy practices, aims to cut food waste, and supports sustainable agriculture across key commodities. These efforts link climate goals with land use, water, and biodiversity outcomes.

Transport innovation:

Walmart is investing in new technologies to reduce emissions in transport and logistics. They are focusing on heavy-duty electric vehicles and hydrogen fuel cell forklifts. This comes as transportation emissions have recently increased because Walmart decided to bring more fleet operations in-house.

Refrigerant upgrades:

The retailer is replacing high-impact refrigerants with lower global warming potential systems. This effort contributed to a 2.4% decrease in refrigerant emissions in 2024, aided by preventive maintenance and specialized technician training.

Packaging challenges and circularity:

Walmart is working to increase recycled content in private-brand packaging. In 2024, recycled content in plastic packaging reached 8%, up from prior years, although it remains below the company’s 2025 goal of 20%. Efforts also include recycling and reuse programs for cardboard and other materials.

When Growth Multiplies the Climate Test

Walmart’s financial scale helps explain both its influence and its difficulty. In its latest fiscal year, the company generated more than $680 billion in revenue, making it the largest retailer in the world.

That scale means even small efficiency gains can lead to large absolute emissions cuts. But it also means that business growth can offset progress if demand rises faster than efficiency improves. Areas such as refrigeration, trucking, and cold-chain logistics remain hard to decarbonize quickly.

Technology limits also play a role. Some low-carbon solutions are still costly or not available at scale. These constraints have slowed progress toward interim targets, even as long-term goals remain in place.

Still, the retail giant continues to work on its sustainability actions spanning energy, supply chains, packaging, climate intensity, and innovation.

A Trillion-Dollar Reminder of Climate Responsibility

Walmart’s rise to a $1 trillion market value highlights how financial performance and sustainability planning now move side by side. The company has invested heavily in clean energy, supplier engagement, and efficiency. It has also been open about where progress has fallen short.

For the wider retail sector, Walmart’s experience offers a clear lesson. Large climate commitments can drive change, but execution takes time, capital, and coordination across thousands of partners. Success depends not only on targets, but on steady delivery and transparent reporting.

As Walmart continues to grow, its climate strategy will remain under scrutiny. The company’s size ensures that progress, delays, and course corrections all carry global impact. In that sense, Walmart’s trillion-dollar milestone is not just a financial marker; it is also a reminder of how closely corporate scale and environmental responsibility are now linked.

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