By 2026, sustainability will no longer sit alongside network strategy — it will actively shape it.
As enterprises scale AI, expand across borders, and digitise end to end, the network is becoming one of the most decisive levers for reducing environmental impact while enabling growth. The conversation is already moving beyond greener hardware or carbon offsets, towards a more fundamental question: how intelligently is connectivity being designed, consumed, and operated?
This is where the next generation of networks—built around Network-as-a-Service (NaaS), flexible yet resilient architectures with AI-driven intelligence — will play a defining role.
1. From efficient infrastructure to intelligent networks:
For years, sustainable networking focused on efficiency: lower-power equipment, consolidation, and data centre optimisation. That foundation remains critical — but it’s no longer sufficient.
In 2026, the biggest sustainability gains will come from intelligent networks that adapt in real time. AI-driven connectivity will dynamically allocate bandwidth, power down unused capacity, predict demand, and route traffic based not only on performance, but on energy efficiency.
In other words, sustainability will become an outcome of smarter network design, not a separate initiative layered on after the fact.
2. Network-as-a-Service reshapes consumption — and carbon impact:
One of the most significant sustainability shifts underway is the move away from static, over-provisioned networks toward on-demand, consumption-based connectivity.
NaaS mirrors what cloud did for compute: organisations no longer build for peak demand “just in case”. Instead, they scale up and down as needed, reducing idle capacity, unnecessary hardware, and embedded emissions.
By 2026, NaaS won’t just be a commercial or operational choice — it will be a sustainability accelerator, particularly for global organisations seeking to balance growth with responsibility.
3. NaaS’ architectures reduce digital sprawl
As organisations expand across regions, many still operate fragmented networks stitched together over time. This complexity comes at a cost — operationally, financially, and environmentally.
A unified global network simplifies connectivity across locations, clouds, and partners. With fewer layers, organisations will be able to define “flight paths” for the workloads in transit, optimise network routes, reduce retransmissions, duplication and data shuffling.
The more integrated the network, the easier it will become to measure, optimise, and ultimately reduce its environmental footprint.
4. AI is a sustainability multiplier and a test of responsibility
In 2026, AI will be central to organisational strategy — but its energy intensiveness creates sustainability – how can organisations scale AI responsibly?
Part of the answer lies in the network. AI-enabled networks can enable organisations to implement green routes by directing traffic to utilise renewable energy sources and energy-efficient infrastructure.
The winners will be those that design the network connectivity with energy awareness built in, not bolted on later. This way we are optimising how AI workloads move, where they run, and how resources are consumed. To that end, we must treat network as an active participant in AI sustainability — not merely a transport layer.
5. Carbon visibility becomes operational, not just reported
Sustainability reporting is evolving rapidly. By 2026, organisations will expect granular, real-time insight into energy use and emissions, alongside traditional network metrics such as latency and resilience.
This visibility, known as carbon transparency, enables more informed trade-offs: performance versus energy use, resilience versus footprint, speed versus sustainability. Networks that can surface these insights will help organisations move from reporting impact to actively reducing it through network performance optimisation.
In 2026, the biggest sustainability gains will come from intelligent networks that adapt in real time.
 | Gaurav Sharma is the Digital Sustainability Product Manager for Asia, the Middle East, and Africa at BT. With over 15 years of experience across network engineering, service delivery, process consulting, and sustainability, Gaurav brings a wealth of expertise in embedding sustainability principles into digital services for enterprise clients. A passionate advocate for sustainable innovation, Gaurav has led the development of sustainability-focused solutions that enable organizations to measure, monitor, and reduce energy consumption and carbon emissions across their IT networks. His work spans diverse sectors, including manufacturing, banking and financial services, logistics, and consulting. |
