CSO

GSMA Head of Climate Steven Moore on promoting ‘coopetition’ for sector decarbonisation

The GSMA has supported an 8% reduction in operational emissions for the global telco sector between 2019 and 2023.

Melodie Michel

29 October 2025

People & Culture

Calix Chief Sustainability Officer Martha Galley: ‘I have no interest in spending US$100k to create a PDF that is out of date the minute it is published’

Calix wants to use its website to display sustainability data in an interactive way.

Melodie Michel

02 July 2025

Climate transition plan

BT Group climate transition plan: How the telco will achieve its new SBTi targets

The telco is adopting a more stringent approach to renewable energy sourcing and “scaling back” on the purchase RECs.

Melodie Michel

31 March 2025

Energy Transition

CSO Futures Weekly: Climate transition plans catch force

Corporate climate transition plans are on the rise, though overall, momentum in the energy transition, food-related sustainability, and governmental initiatives are lagging.

Olivia Peluso

20 June 2024

Carbon offsets

Telstra moves away from carbon offsets to redirect investment in reduction

The decision was driven by increased scrutiny and changing consumer expectations, says CSO Justine Rowe.

Melodie Michel

18 June 2024

Internal Carbon Price

Singtel expands internal carbon pricing after successful trial

Singtel is pricing carbon at S$50 (US$37) per tonne of CO2 equivalent.

Melodie Michel

14 June 2024

Transition Planning

Vodafone plans to halve Scope 3 emission in just four years

The company’s value chain emissions have increased by 20%, or more than 1 million tonnes, since 2020.

Melodie Michel

28 May 2024

Operations & Finance

Telcos raise more than €1.3 billion in green bonds for energy efficiency

Ericsson and Telefónica issuances suggest that appetite is strong for bonds linked to sustainability performance.

Melodie Michel

23 November 2023