We rarely think about the environmental cost of streaming a movie, joining a video call, or downloading a podcast— but the digital world runs on data centers that use huge amounts of energy, water, and land. This article by the Mozilla Foundation, linked in the first slide of this course (www.mozillafoundation.org/en/blog/ai-internet-carbon-footprint/), breaks down the “invisible” footprint of digital activity. Skip the section on AI — we’ll cover that in a separate training module. Read the rest of the article and then come back to complete the interactive exercises.