Data centres are facilities that store and process digital information for services such as websites, streaming, cloud computing and other online operations. Across outlets, the explainer focuses on how these sites work day to day—moving data between servers, supporting storage and computing, and delivering the connectivity needed for users to access online services. The reporting also addresses why data centres are “on everyone’s radar,” pointing to wider public interest and concern around their expansion and impact. Key questions include how much energy they use and what that means for electricity demand and emissions, as well as how waste heat is managed. The articles also note that data centres raise land-use and infrastructure considerations, particularly as more capacity is built to meet growing digital demand. Overall, the coverage presents a general overview rather than a single incident, aiming to clarify the role of data centres in modern life and the reasons their growth prompts scrutiny from communities and policymakers.