Which natural feature can aid in reducing indoor temperatures?

Natural ventilation is a key factor in reducing indoor temperatures as it relies on the movement of outdoor air to cool down indoor spaces. By strategically opening windows and designing buildings to enhance airflow, warm indoor air can escape, and cooler outdoor air can enter, thus reducing the reliance on mechanical cooling systems. This approach not only helps maintain a comfortable indoor climate but also promotes energy efficiency.

In contrast, thermal mass refers to materials that can absorb and store heat; while it plays a critical role in temperature regulation, it primarily acts to stabilize temperature fluctuations rather than directly lowering temperatures. Landscaping, while beneficial for shading and reducing heat through evapotranspiration, does not inherently facilitate air movement like natural ventilation does. Exterior color choices can influence heat absorption, but they do not promote air circulation or enhance cooling directly. Overall, natural ventilation stands out as a dynamic method to actively reduce indoor temperatures through airflow management.