Sanjay Kumar Misra, Associate Vice President & Global Business Head – Strategic Accounts (TME), HCLTech

The telecommunications industry is at an important crossroads, where its expansion and the increased demand for connectivity have placed unprecedented pressure on environmental sustainability. As mobile connectivity evolves to include interactions between humans, machines and even between machines themselves, the industry’s footprint, notably characterised by carbon dioxide (CO2) emissions and waste management issues, continues to expand. With the current count of 16.7 billion connected internet of things (IoT) devices, a number projected to more than double by 2030, there is an urgent need to embed sustainable practices into the industry’s framework like never before.

The surge in demand not only amplifies the telecommunications industry’s carbon footprint but also underscores the critical importance of a thorough analysis of emission scopes. While direct emissions (Scope 1 and 2) from telecom operations may be relatively modest, it is the indirect emissions stemming from significant activities upstream and downstream that commands attention, constituting anywhere from 66 per cent to sometimes more than 90 per cent of a telco’s total carbon footprint. This reality underscores the urgent need for the telecom sector to pivot towards more sustainable operational models.

Advancing sustainability: The vital role of advanced technologies

Harnessing advanced technologies is crucial for accelerating sustainability in the telecom sector. The sustainability transformation is underpinned by the adoption of 5G, artificial intelligence (AI), machine learning (ML) and other cutting-edge digital solutions such as embedded SIM (esim) and eco-SIM cards. The emergence of 5G marks a significant leap forward, not only for connectivity but also for environmental sustainability. Through its energy-efficient architecture, 5G empowers operators to manage the surging data traffic without a proportional rise in energy consumption.

Technical innovations like advanced radio access networks (RAN) techniques, network slicing and virtualisation play a critical role in optimising energy utilisation. Moreover, the comprehensive support for IoT applications provided by 5G presents significant opportunities to improve sustainability across diverse sectors, such as precision agriculture or sophisticated energy management systems. For example, studies indicate that leveraging 5G or open RAN network architecture can yield substantial price or performance savings of over 40 per cent through reduced power consumption.

Other rapidly growing technologies, such as AI and ML, are leading the charge in revolutionising network operations with unparalleled levels of efficiency. By analysing large data pools, these technologies enable predictive maintenance and optimise network functionalities, ultimately leading to substantial reductions in energy consumption.

Similarly, the implementation of smart metering through eSIM technology represents a substantial stride toward waste reduction and sustainability in the telecommunications sector. By eliminating the need for physical SIM cards, eSIM technology drastically reduces plastic waste and mitigates the environmental impact of manufacturing and distributing traditional SIM cards. The introduction of eco-SIM cards, manufactured from recycled materials, further demonstrates the industry’s commitment to minimising its ecological footprint. For instance, BT Group reports that using eco-SIM can result in a 30 per cent reduction in carbon footprint, aligning with sustainability objectives and promoting the circular economy’s transition away from single-use plastics. By embracing these innovations, the telecommunications industry not only advances its sustainability agenda but also sets a precedent for responsible environmental stewardship in the digital era.