Prolonged exposure to extreme heat can lead to severe health risks, including heat stroke, cardiovascular issues, and compromised immune systems. Vulnerable populations, particularly those without access to adequate cooling or hydration, are at heightened risk. The initiative aims to mitigate these risks by providing safe, air-conditioned spaces in neighborhoods disproportionately affected by heat waves. The upgrades are expected to enhance community resilience and reduce the public health impact of rising temperatures in Chicago, where summer average temperatures have increased by 1.9°F (1.1°C) since 1970 (Chicago Tribune, 2026-07-09).