Data centers are so hot their ‘heat island’ effect is raising temperatures up to 6 miles away and impacting 343 million people worldwide, study finds

Fortune's reporting on the Cambridge data center heat island study demonstrates solid journalistic depth with specific data points (2°C average warming, 6.2-mile radius, 343 million affected), named sources (Goldman Sachs economists, NUS professor), and appropriate attribution of the unpeer-reviewed nature of the underlying research. However, the article conflates multiple distinct issues—construction heat, operational heat, grid strain, and geopolitical disruption—under a singular "data center problem" narrative without fully separating these causal mechanisms; notably, it acknowledges critics argue much heat comes from construction rather than data center operations, but doesn't explore this limitation in depth when presenting the 343 million figure. The headline's dramatic framing ("so hot") and the inclusion of tangential Iran-related supply chain concerns suggest editorial choices aimed at amplifying concern rather than presenting a purely neutral assessment.