Digital Growth Drives Higher Carbon Emissions in G20

A new study identifies that digital infrastructure expansion accounts for up to 98% of the associated rise in carbon emissions.

Updated on Oct. 23, 2026 in Data Centers

Isometric editorial illustration showing a cooling tower above fiber-optic cables, representing the energy impact of global digital infrastructure.
A study in Sustainability reveals that digital infrastructure growth accounts for up to 98% of rising carbon emissions across G20 nations. AI Illustration. Upload story photo >

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Should governments prioritize environmental sustainability alongside the expansion of digital infrastructure and connectivity?

A study published in Sustainability finds that digital technology adoption across G20 nations correlates with rising carbon dioxide emissions. The research concludes that digital infrastructure energy requirements account for up to 98% of this direct association.

Why it matters

As global economies prioritize digital transformation, this research highlights how the carbon intensity of electricity systems remains an under-addressed hurdle for sustainability. The findings suggest that current infrastructure expansion inherently challenges national climate targets.

Researchers utilized three proxies—internet usage, fixed telephone subscriptions, and mobile cellular subscriptions—to measure digitalization across G20 economies. The study confirms that 96-98% of the link to increased carbon output is direct, highlighting the energy intensity of supporting infrastructure.

The players

North Carolina State University

A research university that contributed to the panel regression analysis of digital infrastructure and carbon impacts.

Eastern Illinois University

An academic institution involved in the research evaluating the nexus between digitalization and carbon emissions.

King Faisal University

A Saudi Arabian university that participated in the study examining energy requirements of digital technology.

The details

Researchers applied panel regression, a statistical method for analyzing two-dimensional data, to isolate the impact of digital growth from factors like real GDP and population. The study models the energy and economic channels, specifically examining how industrial activity and fossil fuel consumption interact with digital expansion. By using mediation analysis, the team determined that the high power draw of digital hardware and the carbon-intensive nature of national power grids are the primary mechanisms driving these emission figures.

Timeline

  1. 1990-2023: Analyzed data period for G20 economies.

  2. October 23, 2026: The study was published.

The Tech Race

This study underscores the technical friction between digital expansion and the G20's 2023 commitment to the transition of energy systems. It highlights a critical tension: as nations accelerate digital infrastructure, they simultaneously struggle to decouple that growth from fossil fuel dependence.

For stakeholders and policymakers, this research quantifies the carbon tax or efficiency mandates that may eventually govern future digital infrastructure projects. Users and industries should anticipate tighter reporting requirements as governments move to align digital growth with national emission benchmarks.

The takeaway

The study confirms that digital growth is currently locked into carbon-intensive electricity systems rather than decoupling from them. Future observers should track upcoming national updates to energy mix policies, which will serve as the primary indicator for whether this correlation can be broken.

Further reading

For broader trends on energy management in compute-heavy industries, see Data Centers.

Live Poll

Should governments prioritize environmental sustainability alongside the expansion of digital infrastructure and connectivity?