When we think about carbon footprints aviation tends to top the list, with energy, industry & fashion. The Ecologist has done a piece this week about Digital Marketing. When I see images of cities like Tokyo, New York & London for example, I wonder why we don't consider this a complete waste of energy. It is costly in both financial & energy terms. It also causes huge light pollution & could possibly over stimulate the brain. Personally I can't see anything to recommend it.
https://theecologist.org/2025/mar/05/digital-marketings-carbon-footprint
Data centres, which power everything from websites to social media, digital ads & streaming, online gaming, cryptocurrency & blockchain services, account for 2.5 per cent of global CO2 emissions - more than the entire aviation industry at 2.1 per cent. As the internet grows, so does its footprint. Data centers have a significant environmental impact due to their high energy consumption for running servers and cooling systems, contributing to increased carbon emissions and climate change. They also generate e-waste and require substantial infrastructure, including materials for construction and cooling systems. Data centres use about 1-1.3% of global electricity, largely sourced from fossil fuel, releasing substantial amounts of greenhouse gases into the atmosphere.
As of March 2024, there were approximately 11,800 data centers worldwide, with the United States leading with 5,381, followed by Germany (521), and the United Kingdom (514). Data centers come in various sizes, ranging from small, micro data centers to massive hyperscale facilities, with the average full-scale data center typically occupying around 100,000 square feet. That's over two football fields.
If we are truly going to take action to stop our devastating CO2 emissions causing the Climate Emergency we really need to look at how much energy we are wasting on trivia. We do need to switch off our lights when no one is in the room, but frankly that is a drop in the ocean of CO2. We need to tackle the waste & pollution our digital world is creating.
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