Chennai develops heat-resistant homes for rising temperatures

Chennai is facing its hottest March in 25 years and will likely have another intense summer. As temperatures rise, there is an urgent need to design homes and urban spaces that can handle the heat. At a recent workshop in Chennai, participants from multiple countries discussed how local architecture could provide solutions. They looked at buildings from the past that kept cool in hot, humid weather. Traditional designs included thick walls and shaded spaces. However, modern construction has often ignored these heat-fighting designs, leading to higher indoor temperatures. Research shows that many areas in Tamil Nadu experience nighttime temperatures around 26 degrees Celsius. The state's Heat Analysis report states that urban density and a lack of green spaces make cities like Chennai warmer. Almost 74% of the population is exposed to temperatures over 35 degrees Celsius. Community groups and experts are exploring ways to lower indoor temperatures by 4 to 5 degrees during summer. They suggest using shading elements, allowing for airflow between buildings, and reviving traditional building materials. There is also a push to enhance community spaces, such as turning unused roof areas into green gathering spots. Cities need to look for sustainable solutions to combat urban heat. Air conditioning is not a viable long-term fix, as it contributes significantly to global carbon emissions. Instead, Chennai's urban planning initiatives include improving green spaces and conserving water bodies. Reviving parks and lakes can provide relief from heat while enhancing community engagement in urban planning. This approach aims to create cooler neighborhoods, making Chennai more resilient to climate change in the future.