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As internet use continues its relentless climb, a growing concern is the environmental impact of our digital habits. From the energy-guzzling data centers powering AI to the resource-intensive manufacturing of our devices,the internet’s carbon footprint is larger than many realize. Understanding these hidden costs is the first step toward making more sustainable choices.
The Growing Carbon Footprint of Connectivity
The internet, a vast network connecting devices and data centers, relies on cables, frequency bands, and radio signals. This infrastructure demands significant energy, contributing to global CO2 emissions. Edward Ooughton, a professor at George Mason University, estimates that the Industry of Information and Communications Technologies (ICT), which includes the internet, accounts for approximately 3.6% of global CO2 emissions. This figure excludes the environmental toll of the supply chain, including raw material extraction and chip manufacturing.
Did You Know? Apple reports that 99% of the water it uses comes from its supply chain.
Fiber Optics: A Greener Path
Fiber optic cables emerge as the most eco-friendly internet connection, according to CNET. Professor Ooughton notes that photons traveling through these cables consume minimal energy. A Fiber Broadband Association (FBA) study confirms that fiber’s carbon footprint is lower than hybrid coaxial fiber across all sustainability metrics. While initial implementation may cause short-term emissions, these are substantially reduced after six years of use, offering long-term environmental benefits.
Despite its advantages, fiber optic internet is not universally available, especially in rural areas. Many users still rely on less efficient traditional networks like coaxial cable and DSL.
Pro Tip: Check with your internet provider about fiber
