CPD: Climate – the $50 trillion investment opportunity

The need to decarbonise and achieve net zero targets over the coming years presents investment opportunities.

For advisers and their clients, few themes rival the scale, urgency and long-term significance of climate change. Just as the rise of the internet revolutionised global markets over the past two decades – spawning trillion-dollar industries and reshaping entire economies – the transition to a net-zero economy represents a similarly transformative shift, potentially even greater in size and scope.

Decarbonisation is no longer a future ambition; it’s a present-day reality, actively shaped by the combined efforts of governments, corporations and investors. Today, over 90 percent of global GDP is covered by net-zero commitments, with major economies continuing to roll out bold policies to accelerate the transition. At the same time, corporate giants such as Microsoft, Amazon and Apple are investing billions to reduce emissions, secure clean energy and build climate-resilient operations. Investors, too, are stepping up, using their capital and influence to steer companies toward sustainable business practices.

Yet despite the momentum, the path to net zero remains formidable. Global emissions have only just begun to stabilise, and reaching climate targets will demand an extraordinary mobilisation of capital across sectors, from energy and transport to construction and heavy industry. While a lot of attention has been placed on renewables and electric vehicles, the investment opportunity extends far beyond. Critical yet often underappreciated areas, including nuclear energy, energy efficiency technologies and circular economy solutions, will also play a pivotal role in the decades ahead.

The climate challenge

The climate challenge is a systemic problem demanding systemic solutions and, after years of discussion, climate change has become an unavoidable economic reality. Governments, corporations and investors are now actively reshaping industries to align with the net-zero transition. While global emissions have only just begun to stabilise, the shift toward decarbonisation is accelerating – and with it, a significant investment opportunity is emerging.

This is not a temporary trend – the transition to a low-carbon economy is set to define the coming decades. The investment required to achieve net zero by mid-century is estimated at more than US$50 trillion and the key question for investors is not whether this transformation will occur, but which companies will lead it.

The forces shaping this shift can be broken into three structural drivers: government policy, corporate leadership and investor influence. These forces are not only accelerating decarbonisation but also reinforcing each other, creating a multi-decade tailwind for the companies driving the transition.

Three structural tailwinds accelerating climate solutions

Government policy – the foundation for action

Over the past decade, climate policies have evolved from aspirational targets to enforceable regulations, reshaping entire industries. The Paris Agreement set the global benchmark for emissions reduction, while COP28 reinforced the ambition with commitments to triple renewable energy capacity by 2030 and nuclear energy by 2050. National policies are now following suit. The Inflation Reduction Act (IRA) in the United States and the European Union’s Green Deal are directing trillions of dollars toward clean energy, electrification and industrial decarbonisation.

While the political landscape varies by region, the trend is clear – governments are using regulation, financial incentives and carbon pricing to steer capital toward low-emissions technologies. According to Net Zero Tracker^[1], the proportion of global GDP from countries with net zero targets went from 16 percent in 2019 to over 90 percent in 2025.

The scale of these policy-driven investment flows is accelerating the adoption of renewables, grid infrastructure, energy storage and efficiency technologies, thereby reinforcing the case for long-term structural growth.

Corporate leadership – the private sector steps up

While government action provides the foundation, corporate investment is turning climate ambition into reality. Some of the world’s largest companies are making direct investments in renewables, such as nuclear power and signing long-term power purchase agreements (PPAs) to ensure a stable supply of carbon-free energy.

These investments are not just about sustainability – they are about securing reliable energy in a world where AI, data centres and electrification are driving massive new power demand. At the same time, commercial real estate owners and industrial manufacturers are investing in HVAC (heating, ventilation and air conditioning) systems, insulation and efficiency upgrades. This helps to cut costs while reducing emissions.

This shift marks a fundamental change in how businesses view climate solutions. Instead of simply offsetting emissions, companies are embedding decarbonisation into their operations, supply chains and infrastructure. The result is a growing demand for technologies that enable net-zero goals, from energy storage to next-generation grid systems.

Investor influence – capital allocation as a force for change

The financial sector is playing a critical role in accelerating the climate transition. It is estimated that over US$1.5 trillion flowed into climate-focused investments in 2023^[2], demonstrating that there is a compelling investment opportunity.

Unlike early ESG strategies, which focused on passive screening, investors are now deploying active capital into climate solutions. This means prioritising companies that enable decarbonisation – such as those improving energy efficiency, scaling clean power, and developing circular economy solutions – rather than simply investing in companies with low emissions. At the same time, a large number of shareholders are pressuring businesses to set emissions targets, increase transparency and improve supply chain sustainability. Climate risk is now a financial issue, and companies failing to adapt are increasingly finding themselves at a competitive disadvantage.

Importantly, climate investing does not always mean avoiding high-emissions companies altogether. Some of the most critical investment opportunities lie in companies with significant carbon footprints that are leading their industries in decarbonisation – whether by transitioning to clean energy, adopting breakthrough efficiency technologies or setting ambitious emissions reduction targets. These businesses may not be low carbon today but their role in transforming industrial processes, power generation, and heavy transport is essential to reaching net zero.

Opportunities within climate: four key sub-themes

Munro Partners focuses on a range of sub-themes within the climate investment landscape; the following have been identified as key sub-themes: clean energy, energy efficiency, the circular economy and clean transport.

Clean energy – the foundation of decarbonisation

Clean energy is essential to reaching net zero. However, not all clean energy investments are created equal. Renewables like solar and wind are now well established, but they face increasing commoditisation, intense competition, and supply chain risks. Chinese dominance in solar panel manufacturing, for example, has driven prices lower while squeezing profit margins, making these investments less attractive. Meanwhile, the intermittency of renewables – their dependence on weather conditions – means they cannot meet rising energy demand alone. Regardless of this, solar and onshore wind are on the trajectory to be the more cost competitive energy technologies globally^[3].

Nuclear energy, on the other hand, is seeing a resurgence as a reliable, carbon-free baseload power source. Hyper scalers such as Microsoft and Amazon are actively securing long-term nuclear power contracts to meet their sustainability commitments and ensure a stable energy supply for their AI-driven data centres. While small modular reactors (SMRs) hold promise, their commercial deployment is still in the early stages and likely won’t scale until the 2030s.

Beyond generation, a compelling investment opportunity lies in energy enablers – companies providing grid upgrades, energy storage, and infrastructure solutions that allow renewables and nuclear to integrate seamlessly into the energy system.

Energy efficiency – the unsung hero of decarbonisation

Energy efficiency has done more to reduce emissions in the US over the past decade than renewables, yet it remains one of the most overlooked areas of climate investment. Unlike energy production, efficiency solutions reduce demand altogether, cutting costs and emissions in the process.

Buildings alone account for nearly 40% of global energy use, making HVAC systems, insulation, and energy management software critical areas of investment. With short payback periods – often under two years – energy efficiency solutions represent one of the fastest-growing and most financially attractive areas of climate investment.

At the same time, industrial energy efficiency is becoming a major investment theme. Technologies such as industrial process optimisation, heat pumps, and waste heat recovery are improving operational efficiency in manufacturing, logistics and data centres.

Circular economy – reducing waste, increasing sustainability

The transition to a sustainable economy is also about redefining how we use materials. The circular economy focuses on waste reduction, increased recycling and the creation of more sustainable production systems.

Plastics, industrial waste and water scarcity present some of the biggest environmental challenges today. Companies involved in waste management, advanced recycling and water treatment solutions are seeing rising demand, particularly as corporate and government policies push for higher sustainability standards in packaging and industrial processes.

Beyond traditional waste management, innovation in alternative materials – such as bio-based plastics, low carbon cement and synthetic fuels – is opening new investment opportunities. These industries are still in the early stages, but they are set to grow as global supply chains adapt to increasing regulatory and consumer pressure.

Clean transport – beyond the EV excitement

The rise of electric vehicles (EVs) is one of the most visible shifts in the climate transition, but the investment case for direct EV exposure is becoming more complex. A combination of oversupply, slowing demand and aggressive competition from China has put pressure on automakers, making investments less compelling in the short term.

However, the broader clean transport ecosystem remains an attractive investment theme. The supply chain behind EVs – including battery materials, charging infrastructure and grid integration technologies – continues to grow as electrification expands across passenger vehicles, trucks and public transport.

At the same time, low-carbon fuels, hydrogen, and sustainable aviation solutions are emerging as potential areas for future investment, particularly in industries where electrification is not yet viable.

Looking ahead: emerging drivers and innovations

The transition to a net-zero economy is underway, but the path forward is still evolving. As governments, corporations and investors accelerate decarbonisation, several emerging trends are beginning to shape the next phase of climate investment. While clean energy, energy efficiency, and circular economy solutions remain foundational, new technologies, market shifts and changing energy demand dynamics are creating fresh opportunities.

AI-driven energy demand – the unexpected climate accelerant

The rapid adoption of artificial intelligence is reshaping global energy consumption. AI workloads are significantly more power-intensive than traditional computing, and as businesses deploy AI at scale, data centre electricity demand is set to surge. According to the International Energy Agency (IEA), electricity consumption from data centres, AI and cryptocurrency could double between 2022 and 2026, reaching more than 1,000 terawatt-hours (TWh) – roughly equivalent to Japan’s annual electricity consumption^[4].

Data centres already contribute over 2.5% of global emissions, a figure set to rise as AI infrastructure expands. Rather than slowing decarbonisation efforts, AI could increase the urgency of the energy transition, forcing companies to scale clean energy investment and grid infrastructure faster than previously expected.

Additionally, AI is playing a role in energy efficiency and grid optimisation. Machine learning models are being used to improve electricity demand forecasting, enhance battery storage performance and increase the efficiency of industrial and building energy systems. While AI is accelerating the need for clean power, it is also emerging as a key enabler of smarter energy use.

At the same time, heavy industry is undergoing a structural shift. New industrial technologies are emerging – from green steel and cement to low-carbon chemical production – driven by both regulation and corporate commitments to reduce supply chain emissions. While these areas are still in the early stages, they may represent the next major investment wave in the climate transition.

The path to net zero will not be linear. Political cycles, technological advancements, and evolving consumer behaviour will all influence the pace of change. However, the direction is clear: government and companies are spending on decarbonisation, whether through energy infrastructure, efficiency technologies or resource management solutions.

For long-term investors, climate is not just an environmental necessity – it is one of the defining investment themes of the 21st century. The transition to a low-carbon economy is already reshaping industries, driving innovation and unlocking new sources of value across energy, transport, agriculture and finance. As regulatory pressures mount, consumer preferences shift and capital flows increasingly favour sustainable outcomes, the momentum behind climate-focused investment is only gaining pace. Those who position early – identifying resilient assets, scalable technologies and transformative business models – will be well placed to capture outsized returns and play a meaningful role in the global transition. Climate is no longer a niche consideration; it is a structural force that will shape the future of markets for decades to come.

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Notes:
[1] https://zerotracker.net/
[2] Climate Policy Initiative, Global Landscape of Climate Finance 2024
[3] Wood Mackenzie, Global competitiveness of renewable LCOE continues to accelerate
[4] International Energy Agency, Electricity 2024

The information included in this article is provided for informational purposes only and is general advice only. It does not take into account an investor’s own objectives. The information contained in this article reflects, as of the date of publication, the current opinion of Munro Partners and is subject to change without notice. Sources for the material contained in this article are deemed reliable but cannot be guaranteed. We do not represent that this information is accurate and complete, and it should not be relied upon as such. Any opinions expressed in this material reflect our judgment at this date, are subject to change and should not be relied upon as the basis of your investment decisions. All reasonable care has been taken in producing the information set out in this article however subsequent changes in circumstances may occur at any time and may impact on the accuracy of the information. Neither Munro Partners, GSFM Pty Ltd, their related bodies nor associates gives any warranty nor makes any representation nor accepts responsibility for the accuracy or completeness of the information contained in this article.