Policy Brief

Green Digital Transformation: Building a Sustainable and Intelligent Global Economy

A New Economic Paradigm

The world today stands at the intersection of two defining transitions of this century – the green transition and the digital transition. While individually, each is reshaping economies, industries, and societies, together, they are creating a powerful new paradigm: Green Digital Transformation.

From artificial intelligence and clean energy to smart manufacturing and digital public infrastructure, governments and businesses are increasingly recognising that sustainability and digitalisation are no longer separate agendas. Instead, they are deeply interconnected drivers of competitiveness, resilience, and inclusive growth. The future global economy will increasingly be shaped not merely by who produces more, but by who innovates smarter, greener, and more responsibly.

The urgency of this transformation has become even more visible in recent years. Climate change, geopolitical disruptions, energy insecurity, and supply chain vulnerabilities have forced countries to rethink traditional growth models. At the same time, rapid advances in digital technologies, particularly artificial intelligence, cloud computing, data analytics, and automation, are transforming the very foundations of economic productivity. Green digital transformation seeks to align these two shifts into a coherent strategy for sustainable development.

G20 economies, which account for nearly 85 per cent of global GDP and more than 75 per cent of global emissions, are increasingly placing green digital transformation at the heart of global economic governance. Across major economies, industrial policies are now focusing simultaneously on clean energy transitions, advanced digital infrastructure, and technology-enabled sustainability.

Digitalisation in Action: Sector-Level Impact

Across sectors, the impact is already visible. Smart electricity grids are enabling better integration of renewable energy into national power systems. AI-driven logistics platforms are reducing fuel consumption and transportation inefficiencies. Precision agriculture technologies are helping farmers optimise water usage and fertiliser application. Digital monitoring systems allow industries to track emissions and resource use in real time. Smart urban mobility systems are improving traffic management while reducing pollution and congestion.

Digitalisation is also transforming climate governance itself. Satellite imagery, AI-based climate forecasting, blockchain-enabled carbon markets, and digital Measurement, Reporting and Verification (MRV) systems are helping governments and businesses strengthen transparency, accountability, and environmental compliance. As sustainability regulations tighten globally, digital systems will become essential for monitoring emissions, managing supply chains, and meeting climate disclosure requirements.

Challenges with Digitalisation

However, the relationship between digitalisation and sustainability is not without contradictions. The rapid expansion of artificial intelligence and data infrastructure is itself creating new environmental pressures. Generative AI models and hyperscale data centres require enormous computing power, vast amounts of electricity, and significant water resources for cooling. The International Energy Agency estimates that electricity demand from data centres could nearly double by 2030, driven primarily by AI workloads and cloud computing expansion.¹

This has created a new sustainability challenge. While AI can help solve climate and efficiency problems, its own energy consumption risks becoming a major environmental concern. The global technology industry is therefore entering a new phase where the focus is shifting from simply building AI infrastructure to building sustainable AI infrastructure.

Countries and companies are now investing heavily in renewable-powered data centres, energy-efficient chips, liquid cooling technologies, edge computing systems, and low-carbon cloud infrastructure. Sustainability is becoming central to the future of digital infrastructure design. The next phase of technological competition may well depend on which economies can successfully combine digital leadership with resource efficiency and energy security.

G20 Economies Leading the Twin Transition

G20 economies are at the helm of shaping a future where digital transformation and sustainability reinforce one another. The European Union pioneered the twin transition through its Green Deal and Digital Strategy, promoting smart grids, digital product passports, AI-enabled energy management and circular economy solutions.² Germany has successfully integrated Industry 4.0 technologies³ into manufacturing, using automation, data analytics and digital twins to improve resource efficiency and reduce industrial emissions. Japan's Society 5.0 vision⁴ combines artificial intelligence, robotics and the Internet of Things to address societal challenges while advancing sustainable urban development, healthcare and energy management.

The United States has witnessed significant growth in clean technology innovation, supported by investments in advanced manufacturing, electric mobility, battery technologies, artificial intelligence and next-generation energy systems. Australia, meanwhile, has emerged as a key partner in the clean energy economy by combining its abundant renewable resources and critical mineral reserves with digital mining technologies and advanced resource management systems that support sustainable supply chains.

Emerging economies have also demonstrated that digital transformation can be a powerful enabler of inclusive and sustainable development. Brazil has expanded digital financial inclusion while strengthening satellite-based monitoring of forests and natural resources. Saudi Arabia, under Vision 2030,⁵ has invested heavily in smart cities, renewable energy and digital government, positioning technology as a key driver of economic diversification and sustainability.

India is also emerging as one of the most significant contributors to this evolving landscape. Over the past decade, India has built one of the world's largest and most inclusive Digital Public Infrastructure ecosystems through platforms such as Aadhaar, Unified Payments Interface (UPI), DigiLocker and the Open Network for Digital Commerce (ONDC).

At the same time, India has become one of the world's fastest-growing renewable energy markets and is pursuing ambitious goals in solar power, wind energy, green hydrogen, electric mobility and sustainable infrastructure. Initiatives such as the National Green Hydrogen Mission, large-scale renewable energy parks, smart metering, digital energy management systems and expanding electric mobility infrastructure, illustrate how digital technologies are increasingly being integrated with climate action.

Where Green Meets Digital: The G20's Role

The G20 has become an important platform for advancing this agenda globally. Recent G20 discussions have increasingly focused on themes such as digital public infrastructure, climate-tech innovation, sustainable supply chains, ethical AI governance, green industrial transitions, and resilient urban infrastructure. Policymakers are recognising that digital transformation cannot be pursued in isolation from sustainability goals.

The challenge before governments is clear: how can countries accelerate digitalisation without increasing environmental stress and inequality? The answer lies in building what many experts describe as "planet-compatible digital infrastructure" — systems that deliver productivity and innovation while remaining resource-efficient, climate-aligned, and inclusive.

At the same time, green digital transformation also presents significant economic opportunities. New industries are emerging around clean technologies, smart manufacturing, green mobility, sustainable finance, climate analytics, and digital energy management. Countries that successfully integrate climate strategy with industrial and digital policy are likely to emerge as leaders of the next phase of global economic growth.

Major challenges remain, including rising energy demand from AI systems, digital inequality between countries, cybersecurity risks, financing gaps, fragmented technology governance, and uneven access to advanced technologies. Developing economies, in particular, will require greater investment support, technology transfer, and capacity building to ensure that the benefits of green digital transformation are broadly shared.

Roadmap for G20 Countries

No single country can address climate change, technological disruption, and sustainability challenges alone. Global frameworks for responsible AI, sustainable digital infrastructure, data governance, climate finance, and technology partnerships will become increasingly important in shaping the future international order. A few recommendations that G20 countries could consider in their roadmap for the future are as follows:

• Mandate sustainable-by-design digital infrastructure. G20 countries could set energy-efficiency and renewable-power benchmarks for data centres and AI infrastructure, ensuring the growth of computing capacity does not outpace resource efficiency and climate commitments.
• Close the digital and green financing gap for developing economies. G20 members should scale investment support, concessional finance, and technology transfer to emerging economies, ensuring the benefits of green digital transformation are broadly shared rather than concentrated among advanced digital and clean-tech leaders.
• Build interoperable, planet-compatible digital public infrastructure. Governments should invest in DPI systems, even drawing on models such as India's Aadhaar, UPI, and ONDC, that are explicitly designed to be resource-efficient, secure, and climate-aligned, while enabling cross-border interoperability among G20 economies.
• Establish shared governance frameworks for responsible AI and data. G20 countries should coordinate on common standards for ethical AI governance, cybersecurity, and data governance, reducing fragmentation that currently slows cross-border technology cooperation and climate-tech deployment.
• Institutionalise knowledge and technology exchange platforms. The G20 should formalise regular platforms for sharing best practices, policy innovations, and technological capabilities across member economies, accelerating collective progress on climate-tech innovation and resilient, digitally-enabled supply chains.

Conclusion

Green digital transformation is no longer an emerging concept – it is rapidly becoming the foundation of the future global economy. The experiences across G20 economies demonstrate that there is no single pathway to achieving the green and digital transition. Each country brings unique strengths, policy innovations and technological capabilities. By sharing best practices, fostering cross-border innovation partnerships and strengthening international cooperation, G20 members can accelerate the deployment of digital technologies for climate action, build resilient and sustainable supply chains, and create a more inclusive, secure and prosperous global economy.

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