"Globally, the IT industry produces about the same volume of greenhouse gasses as the world’s airlines do,” writes Jason Stamper in Standpoint. That’s somewhere in the neighborhood of two percent of the modern civilization’s CO2 emissions.
Even your Google searches have a carbon footprint:
So here’s something funny: According to Google’s search trends database roughly 368,000 people search “carbon footprint” every month. You get where I’m going with this, right? Even the words “carbon footprint” have a carbon footprint! Ugh.