Leaving Certificate Geography Practice Test

Urban heat islands significantly impact city living by contributing to higher energy demand for cooling. In urban areas, the concentration of buildings, roads, and other infrastructure absorbs and retains heat, leading to increased temperatures compared to surrounding rural areas. This phenomenon forces residents and businesses to rely more on air conditioning and cooling systems to maintain comfortable indoor environments, particularly during hot weather. As a result, there is a marked increase in energy use, primarily during the summer months, when the demand for electricity can surge. This can lead to higher energy bills for households and businesses, increased strain on power grids, and greater greenhouse gas emissions from power generation, further exacerbating urban heat challenges.

In contrast, other options do not accurately capture the primary implications of urban heat islands. For instance, while urban heat islands can indirectly influence transportation habits, they do not inherently increase public transportation use. Additionally, they do not lower temperatures; rather, they result in heightened heat levels within urban settings. Lastly, energy efficiency is often reduced, but the direct consequence is more comprehensively reflected in the greater energy demands driven by the need for cooling.