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The shipping industry is an integral part of international trade. Over the past 40 years, global maritime trade has increased 10X in value. Just like other transportation sectors aviation and auto, shipping also has some level of carbon emissions.

In the Announced Pledges Scenario (APS), shipping emissions could fall significantly. IEA predicts by 2035, emissions from international shipping may drop by nearly 60%, and by 2050, they could fall by more than 90%.

This shift is expected as the shipping industry adopts cleaner fuels like biofuels, ammonia, and methanol. By 2050, low-carbon fuels may power over 80% of global shipping.

shipping IEA

The Two-Way Approach to Decarbonizing Shipping

Decarbonizing the shipping industry is crucial for meeting global emissions targets. Currently, two primary strategies are in place which are enhancing energy efficiency and transitioning to low-emissions fuels. These approaches offer complementary benefits and can significantly reduce greenhouse gas (GHG) emissions.

Boosting Energy Efficiency in Shipping

One of the simplest operational measures is “slow steaming,” which involves reducing the average speed of ships. This practice doesn’t require modifications to the vessels but can indirectly affect costs. While slow steaming can lower overall fuel consumption, it may also increase operational expenses due to a need for more ships to maintain the same shipping capacity. This is particularly significant for sectors relying on just-in-time delivery systems.

Many technologies to improve energy efficiency are already available. New regulations like the Carbon Intensity Index (CII) require ships to lower their emissions over time, encouraging both new ships and retrofits to adopt energy-saving features.

There are a variety of technical measures that can be implemented to improve a ship’s fuel efficiency. Some examples are:

  • Rigid Sails and Rotor Sails: Using wind for propulsion can reduce fuel usage.
  • Waste Heat Recovery: Capturing and reusing heat from the engine improves overall efficiency.
  • Anti-Fouling Hull Coatings: These prevent the growth of marine organisms on hulls, enhancing performance.
  • Hull Optimization: Streamlining hull shapes minimizes water resistance, boosting speed and efficiency.
  • Air Lubrication Systems: Generating microbubbles under the hull reduces friction.

Since 2010, the energy efficiency design of new ships has improved by 30-50%, driven by initiatives such as the International Maritime Organization’s (IMO) Energy Efficiency Design Index (EEDI). While current energy efficiency technologies are commercially available, they are not adopted very easily.

IEA predicts that efficiency gains of 5-10% or more by 2030 are feasible with highly advanced energy-efficient methods.

Now speaking about costs; the investment required for energy-efficient upgrades varies widely, but they often pay off through fuel savings. For instance, hull form optimization costs about $250,000 and can boost energy efficiency by 7.5%. More extensive retrofits, such as kite sails, can cost up to $1.2 million but offer smaller gains.

On the other hand, a new bulk carrier built with cutting-edge technology could be 40% more efficient than one built in 2023, while a retrofitted container ship could achieve about 30% in energy savings.

Transitioning to low-emission fuels

While improving energy efficiency is vital, it cannot completely eliminate emissions. This is why the shipping industry must also shift to low-emissions fuels to reach its net zero target.

Promising options for low-emission fuels are:

  • Biodiesel: Can be used in existing diesel engines with little modification.
  • Biomethane: A renewable alternative compatible with LNG engines.

These drop-in fuels have limitations based on the availability of sustainable biomass and high production costs. Despite being cheaper to implement, their overall costs may be higher due to market competition, particularly from aviation.

Advanced Alternatives: Methanol, Ammonia, and Hydrogen

  • Methanol: Gaining popularity, methanol-fueled vessels are on the rise. In 2023, the first methanol-fueled container ship with a dual-fuel engine began operation. However, methanol requires modifications to ship engines and tanks.
  • Ammonia: Although at a lower technology readiness level, ammonia offers a promising future due to its lack of carbon sourcing requirements. Approximately 20 ammonia-powered vessels are on order, with deliveries expected by 2026.
  • Hydrogen: Over 20 hydrogen-fueled vessels are currently operational or planned. Safety guidelines for hydrogen usage in shipping are being developed, aligned with those for ammonia.

Shipping companies will need to consider the total cost of ownership, including fuel costs over a vessel’s lifespan when deciding which fuel technology to adopt. While methanol may be cost-effective for smaller vessels, ammonia tends to be more economical for larger ships.

IEA

Future Emissions Trajectories

International maritime shipping emissions have risen sharply in recent years, with a peak of 0.67 Gt CO2 in 2023, accounting for around 2% of global energy-related CO2 emissions. Emissions reductions will heavily depend on policies that promote faster efficiency gains and the switch to low-emission fuels.

In a scenario aligned with the latest IMO GHG Strategy, emissions could be reduced by more than 90% by 2050 compared to 2023 levels, primarily through low-emissions fuels like ammonia.

As shipping activity is projected to increase significantly, implementing low-emission strategies becomes imperative. By 2040, fossil fuel use in shipping could drop from nearly 100% to less than 30%.

However, the transition to low-emission shipping technologies will require substantial investment and regulatory support. Nonetheless, the potential for significant emissions reductions makes it significant for the industry.

Maersk Seals Long-Term Bio-Methanol Deal to Achieve Zero-Emission in Shipping

Danish shipping giant A.P. Moller–Maersk has entered a long-term agreement with China’s LONGi Green Energy Technology Co Ltd to purchase bio-methanol. This partnership strengthens Maersk’s commitment to zero-emission shipping. The press release revealed that,

It will meet Maersk’s methanol sustainability requirements including at least 65% reductions in GHG emissions on a lifecycle basis compared to fossil fuels of 94 g CO2e/MJ. The bio-methanol supply is set to begin in 2026.

Bio-fuels and e-methanol are emerging as go-to alternatives for major fossil fuel users, such as the shipping industry, due to their scalability and potential for sustainable production.

However, Maersk highlighted that the substantial cost difference between fossil fuels and greener options remains a significant barrier, challenging the shipping industry’s progress toward adopting alternative fuels and achieving net-zero targets.

Disclaimer: Source of all data and images from IEA Energy Technology Perspective 2024

MUST READ: Can Nuclear Power Propel Maritime into a Zero-Emission Era? Maersk to Explore Nuclear for Ships 

The post IEA Predicts 90% Drop in Shipping Emissions by 2050. Can Maersk’s Bio-Methanol Deal be a Game-Changer? appeared first on Carbon Credits.

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Renewables 2025: How China, the US, Europe, and India Are Leading the World’s Clean Energy Growth

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Renewables 2025: How China, the US, Europe, and India Are Leading the World’s Clean Energy Growth

The world’s renewable energy sector has entered a new phase of record growth. According to the International Energy Agency’s Renewables 2025 report, global renewable power capacity grew by more than 510 gigawatts (GW) in 2024 — the fastest increase ever recorded. Another 520 GW is expected to be added in 2025, pushing renewables to account for over 90% of all new global power capacity.

Solar and wind dominate this growth. By 2025, solar will account for nearly three-quarters of new installations. This growth comes from cheaper technology, improved grid integration, and supportive policies. Wind power is also recovering after a slowdown in 2022–2023, supported by new offshore projects in Europe, China, and the United States.

The IEA says the world’s total renewable capacity will reach nearly 5,800 GW by 2025, up from around 4,200 GW in 2023. That means renewables now generate about 30% of global electricity and are on track to reach 42–45% by 2030.

Renewable electricity capacity additions by technology

Four regions — China, Europe, the United States, and India — are responsible for almost 90% of this global expansion. Each is moving at a different pace, but together they are transforming how the world produces and consumes energy.

Renewable electricity capacity additions by country

Europe: Accelerating the Energy Transition

Europe continues to lead in energy policy and innovation. In 2024, the European Union added more than 70 GW of new renewable capacity, driven mainly by solar. This is a record year. It shows the bloc’s goal to cut reliance on imported fossil fuels. They aim to meet their Green Deal target of a 55% emissions reduction by 2030.

Solar capacity across the EU doubled between 2020 and 2024, reaching over 300 GW, while wind capacity passed 220 GW. The IEA predicts that Europe will add 450 GW of renewables from 2025 to 2030. This will raise the total capacity to almost 870 GW by the end of the decade.

EU installed renewable capacity in 2024 and 2030

Much of this growth is tied to the REPowerEU plan, which aims to speed up permitting and expand rooftop solar. Offshore wind is gaining popularity. Countries like Germany, Denmark, and the Netherlands are investing in North Sea projects.

Despite progress, Europe faces challenges. Delays in grid expansion and limited local manufacturing capacity for wind turbines have created supply bottlenecks. Even so, strong policy support and high carbon prices still make renewables the best choice for power generation.

United States: Policy Support and Private Investment Drive Expansion

The United States is entering a period of major renewable growth, supported by the Inflation Reduction Act (IRA) and record private investment. The IEA expects the U.S. to add around 400 GW of new renewable capacity by 2030, effectively doubling its current base.

In 2024, U.S. solar installations rose by nearly 40%, reaching 45 GW for the year. Solar now accounts for the largest share of new capacity additions. Wind power also recovered, with onshore and offshore projects expanding in Texas, California, and along the East Coast.

Solar PV and wind capacity additions in US

Renewables currently generate about 26% of U.S. electricity, up from 22% in 2022. The IEA projects this share will climb to over 40% by 2030, driven by federal tax incentives and falling technology costs.

Battery storage is another fast-growing sector. Storage capacity doubled between 2023 and 2024, helping stabilize variable solar and wind output. The IRA’s clean energy credits could draw over $400 billion in investments by 2032. This boost will help generate energy and support U.S. manufacturing of solar panels and turbines.

Challenges remain. The U.S. needs to modernize its grid and streamline permitting for transmission lines to connect renewable projects to demand centers. But the direction is clear — renewables are becoming the backbone of America’s energy system.

China: The Global Powerhouse of Renewables

China remains the undisputed leader in renewable energy growth. The IEA projects that China will account for about 60% of all new renewable capacity added worldwide by 2030.

In 2024 alone, China installed more than 260 GW of new renewables — more than the rest of the world combined. Solar made up the majority of this, with over 190 GW of solar capacity added during the year.

Wind power grew by 60 GW. China kept building big onshore and offshore projects in Inner Mongolia, coastal areas, and deserts.

Monthly solar PV and wind capacity additions in China

China now has an estimated 1,400 GW of total renewable capacity, representing about half of the global total. Renewables already supply more than 35% of China’s electricity, up from 27% in 2020.

Government policy is the key driver. China aims to reach 1,200 GW of combined solar and wind capacity by 2030, a target it is likely to achieve five years early. The country’s large manufacturing base keeps equipment prices low globally. This helps other regions grow their clean energy fleets.

Still, integration challenges persist. Some provinces face grid congestion and curtailment — when renewable power can’t be used due to transmission limits. The IEA recommends that China continue to invest in grid upgrades and flexible storage systems to handle its rapid growth.

India: The Fastest-Growing Emerging Market for Renewables

India is now the fastest-growing renewable energy market among developing economies. The IEA expects India’s renewable capacity to nearly double between 2023 and 2030, expanding from around 190 GW to 360–380 GW.

renewable net capacity additions India

Solar energy is leading the charge. In 2024, India added more than 17 GW of solar capacity, supported by large auctions and declining costs. Wind capacity also grew modestly, and new hybrid projects combining solar and wind are improving reliability.

The government’s goal is ambitious: 500 GW of non-fossil capacity by 2030, which would cover about 50% of total power demand. India is also expanding its domestic solar manufacturing base to reduce dependence on imports.

Hydropower and bioenergy continue to play supporting roles, particularly in rural electrification. The IEA reports that renewable energy in India cuts over 250 million tonnes of CO₂ emissions each year. This makes India a major player in global emission reductions, second only to China.

However, financing and grid infrastructure remain key hurdles. The report notes that India needs annual clean energy investments of about $60–70 billion through 2030 to meet its targets.

The chart below compares renewable energy capacity in 2024 vs. 2030 projections for the four key regions, based on the IEA Renewables 2025 report.

renewable energy capacity by region IEA report
Data source: IEA Report

It clearly shows China’s dominant position, followed by steady growth in Europe and the U.S., and rapid expansion in India’s renewable capacity by the end of the decade.

The Decade of Clean Power: A Turning Point for Global Energy

The combined momentum of China, Europe, the United States, and India is reshaping global energy markets. Together, these four regions will account for almost 90% of all renewable capacity growth by 2030.

The pie chart shows each region’s share of total global renewable capacity additions from 2024 to 2030, based on the IEA forecast. It also shows how dominant China remains in driving renewable expansion, while Europe, the U.S., and India together account for about one-third of the world’s clean-energy growth.

share of global renewable capacity additions 2030 IEA 2025 report
Data source: IEA Report

Global renewable electricity capacity is expected to surpass 6,200 GW in 2025 and reach 8,300 GW by 2030 — roughly triple the total in 2015. Solar will remain the dominant source, followed by wind and hydropower.

Yet challenges persist. The IEA warns that grid constraints, permitting delays, and uneven financing could slow progress in developing economies. To stay on track for the net-zero pathway, annual renewable additions must rise to around 800 GW per year by 2030.

Still, the direction is clear. The world is entering a decade where clean power becomes the main driver of growth, investment, and energy security. The actions of these four key players will determine how fast the transition happens and how close we come to a truly sustainable global energy system.

The post Renewables 2025: How China, the US, Europe, and India Are Leading the World’s Clean Energy Growth appeared first on Carbon Credits.

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Top Gold ETFs to Watch Now as Gold Prices Break $4,000 — IAU, GLD, and GDX Lead the Pack

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Gold prices climbed to new highs on Monday, with December futures reaching a record $4,014.60 per ounce. The yellow metal stayed strong as investors sought safety amid global uncertainty and a prolonged U.S. government shutdown.

Goldman Sachs raised its December 2026 gold price forecast from $4,300 to $4,900 per ounce, citing steady central bank purchases and renewed investor interest in gold-backed ETFs. Spot gold has surged 52% so far this year, supported by a weaker U.S. dollar and rising geopolitical tensions.

gold prices
Source: KITCO

But first, let’s take a closer look at gold ETFs — what they are and why so many investors are turning to them.

What Are Gold ETFs and Why Are They Popular?

Gold Exchange-Traded Funds (ETFs) mirror the market price of physical gold without requiring investors to hold the metal themselves. Each ETF unit typically represents one gram of 99.5% pure gold, traded on stock exchanges just like shares.

Key features of gold ETFs include:

  • Backed by physical gold stored in secure vaults
  • Real-time pricing and easy trading through Demat accounts
  • No storage or making charges
  • Lower transaction costs and high liquidity
  • Transparent pricing that tracks the spot gold rate

Central Banks and ETFs Fuel the Gold Price Rush

Reports say that China’s central bank has played a major role in driving gold demand. In September, the People’s Bank of China (PBOC) added to its gold reserves for the 11th month in a row, increasing holdings to 74.06 million troy ounces from 74.02 million in August. The value of these reserves also jumped to $283.29 billion, up from $253.84 billion the previous month.

Goldman Sachs expects central banks to keep buying gold, with around 80 tonnes forecast for 2025 and 70 tonnes for 2026, as emerging economies continue to diversify away from the U.S. dollar.

At the same time, strong inflows into gold ETFs are supporting the rally, giving investors an easier and safer way to gain exposure to rising gold prices.

Top Gold ETFs to Watch: IAU, GLD, and GDX

Gold ETFs provide a practical, cost-effective, and transparent way to invest in gold, avoiding the hassle of storage, insurance, and purity verification.

iShares Gold Trust (IAU)

IAU is one of the largest gold ETFs with around $72.7 billion in market capitalization. Each share represents roughly 0.01 ounces of gold, making it affordable for small investors. With a low expense ratio of 0.25%, IAU offers cost-effective access to physical gold.

However, it does not follow a specific ESG (Environmental, Social, and Governance) framework since it directly holds bullion. Any sustainability impact stems from the gold mining and refining practices behind the physical gold it stores.

iShares Gold Trust IAU
Source: Yahoo Finance

SPDR Gold Shares (GLD)

GLD is the world’s largest gold ETF, managing about $129 billion in assets. Each share equals one-tenth of an ounce of gold, stored in vaults in London, New York, and Zurich, backed by custodians like JPMorgan Chase and HSBC. It is known for its high liquidity and tight spreads.

SPDR Gold Shares has removed many barriers to investing in gold, such as buying, storing, and insuring it. The fund provides direct exposure to physical gold, minus expenses, without relying on derivatives that carry extra credit risk.

It allows investors to easily access the gold market and include it in their portfolios, offering a strategic way to diversify risk due to gold’s low or negative correlation with other assets.

Like IAU, GLD does not integrate ESG criteria but depends on the ethical and environmental practices of gold suppliers and refiners.

SPDR Gold Shares (GLD)
Source: Yahoo Finance

VanEck Gold Miners ETF (GDX)

GDX differs from IAU and GLD as it invests in leading gold mining companies instead of holding physical gold. Managing around $22.54 billion in assets, GDX tracks major miners such as Newmont and Barrick Gold.

The fund provides leveraged exposure to gold prices through miner performance. Since it involves mining operations, ESG factors play a more direct role covering carbon reduction, responsible sourcing, labor safety, and community development.

From an investment perspective, GDX is a highly liquid ETF with substantial assets, suited for investors seeking gold exposure and prepared for higher volatility. It benefits from inflation or economic uncertainty, offering exposure to global gold miners.

While mining stocks can be riskier than gold due to company and operational factors, GDX spreads risk across multiple large and mid-sized miners.

gdx gold etf
Source: Yahoo Finance

Sustainability Perspective: Physical Gold vs. Gold Miners

Physical gold ETFs like IAU and GLD mainly reflect the sustainability impact of gold mining through their bullion holdings. They don’t actively engage in ESG initiatives. In contrast, GDX connects investors directly to mining companies that can influence sustainability outcomes through operational decisions.

Investors focused on responsible investing should assess the ESG performance of individual mining companies within funds like GDX. This approach allows for more transparency and accountability in evaluating how sustainable practices affect returns and risk exposure.

Gold’s Shine Isn’t Fading Anytime Soon: A Smart Safe-Haven Investment

It’s now clear that the gold price is hitting record highs due to central banks buying more, strong ETF inflows, and ongoing global uncertainty. Because of this, ETFs like IAU, GLD, and GDX give investors different ways to invest in gold, depending on their needs for liquidity, cost, and even sustainability.

At the same time, the market is watching for possible Federal Reserve rate cuts and dealing with economic uncertainty. Gold’s appeal as a safe-haven asset remains strong. And Goldman Sachs’ higher forecast adds to investor confidence — the gold story is far from over.

gold prices

Also, institutional investors are increasingly using gold ETFs to balance portfolios and protect against stock market swings. Experts recommend investing gradually and diversifying, especially after gold’s sharp price jump. Long-term investors like these ETFs because they are affordable, simple, and easy to manage.

Plus, rising interest in gold is encouraging some investors to explore other commodity ETFs, such as silver and industrial metals, to spread their risk.

In short, gold ETFs are a favorite in 2025 for their simplicity, transparency, and ability to protect against inflation and market ups and downs. Both retail and institutional investors see them as a safe and reliable way to invest in uncertain times.

The post Top Gold ETFs to Watch Now as Gold Prices Break $4,000 — IAU, GLD, and GDX Lead the Pack appeared first on Carbon Credits.

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Microsoft Expands Japan’s Green Grid with Shizen Energy’s 100 MW Solar Push

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In October 2023, Shizen Energy Inc. signed a 20-year virtual power purchase agreement (VPPA) with Microsoft (MSFT stock) to provide renewable energy from a 25 MWac solar farm in Inuyama City, Aichi Prefecture. As with other global deals, this VPPA helped Shizen Energy secure funding for the Inuyama project.

Now the company has recently announced an expanded partnership with Microsoft. It currently has 100 MW in Renewable Energy Purchase Agreements across four solar projects in Japan.

Building on this success, Microsoft signed three additional 20-year agreements for solar plants in Kyushu and Chugoku, further advancing both companies’ renewable energy goals.

Rei Ushikubo, Executive Officer of Shizen Energy, said,

“Following the Inuyama Project, we are honored to have signed long-term agreements with Microsoft for several new projects. We believe that securing financing from domestic and international financial institutions for these projects is proof of the growing presence of Renewable Power Purchase Agreements in the Japanese market. We will continue to prioritize our power purchase agreement business to support our customers’ decarbonization efforts.” 

Shizen Energy Delivers Efficiency Across Four Solar Plants

Shizen Energy has already started operations at one Kyushu plant. The remaining projects are under construction, including its site and wholly-owned EPC subsidiary, Shizen Engineering Inc. All four projects will operate under Shizen Operations Inc., which manages asset operations and maintenance.

The company is also handling project coordination, financing, and asset management, while its subsidiaries manage EPC and O&M. This integrated approach allows the company to deliver large-scale projects efficiently and reliably.

Earlier, it was revealed that the Inuyama Solar Power Plant stands as the largest single-asset solar project in Japan to reach financial close under a VPPA. The project had received ¥10.9 billion in non-recourse financing from Societe Generale, marking the first international funding for a Japanese VPPA-linked renewable project.

Inuyama City Solar Project

solar energy Japan Shizen Energy
Source: Shizen Energy

Global Expansion and Innovation

Shizen Energy aims to accelerate the global shift to renewable energy under the motto “We take action for the blue planet.” The company has expanded projects to Southeast Asia and Brazil and introduced advanced energy technologies, including microgrids, virtual power plants (VPPs), and smart EV charging systems through its proprietary EMS.

It has generated more than 1 GW of renewable energy worldwide and earned recognition as Forbes Japan’s top startup in 2024. With these milestones, the company continues to lead both domestic and international corporate renewable markets.

Boost to Microsoft’s 100% Renewable Energy Goal

This deal is Microsoft’s first renewable energy purchase in Japan. And these REPAs help Microsoft move toward 100% renewable energy for its operations by 2025.

By adding clean energy to Japan’s electricity grid, the tech giant is contributing to both corporate sustainability and grid decarbonization.

Adrian Anderson, General Manager, Renewable and Carbon Free Energy at Microsoft, had said,

“Shizen Energy’s expertise and presence in the Japanese market is enabling our first renewable energy purchase in Japan and it’s great to see near-term supply for our 100% renewable energy goal. A commercial structure like this is important to promoting grid decarbonization in the country.”

Globally, to date, Microsoft has contracted over 34 GW of renewable capacity across 24 countries, up from 1.8 GW in 2020, as highlighted in its 2025 sustainability report.

Last year, it further diversified its portfolio and added 19 GW of new renewable energy across 16 countries. Key expansions included:

  • Brookfield Renewable Energy Framework – Delivering over 10.5 GW in the U.S. and Europe over the next five years.

  • Wisconsin PPA with National Grid Renewables – A 250 MW agreement supporting a growing datacenter region, paired with a $15 million community fund for environmental resilience.

Some other global projects included a 415 MW solar facility in Germany, a 48.8 MW wind project in Ireland, and a 36 MW solar plant in Poland. These projects showcase our commitment to expanding clean energy capacity across diverse markets.

These investments allow Microsoft to expand renewable markets worldwide and support grid decarbonization in all regions where it operates.

Microsoft emissions
Source: Microsoft

SEE MORE: 

Japan’s Renewable Energy Outlook

Data shows that Japan aims for 36–38% renewables in its electricity mix by 2030, but slower project development and rising electricity demand keep the share below 30%. Nuclear restarts and decommissioning of old thermal plants have helped reduce emissions by nearly 5% from 2023, reaching the lowest levels since 2015.

Most significantly, agri-solar projects, combining solar generation with farmland, are emerging as a key growth area. Japan has solar potential of 1,465–2,380 GW, far above the current installed capacity of 74 GW. Interestingly, local developers are aggregating small projects and securing financing, creating scalable, sustainable solutions for corporate PPAs.

JAPAN RENEWABLE ENERGY

Shizen Energy’s REPAs with Microsoft show the growing impact of corporate renewable procurement. The agreements attract international financing, provide long-term revenue certainty, and accelerate renewable deployment. Corporate PPAs help companies meet energy goals while supporting broader grid decarbonization.

Shizen Energy continues to expand solar, wind, biomass, and innovative energy solutions. Its integrated development, construction, and operations model ensures projects are delivered efficiently and effectively.

Together, Microsoft and Shizen Energy are shaping Japan’s corporate renewable energy market and proving that sustainable, commercially viable solutions are achievable.

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