Part 6/8:
Addressing the urban heat challenge, the speakers consider various strategies such as planting trees, creating rooftop gardens, and installing greenery on building walls. While these initiatives are popular and beneficial for aesthetic and ecological reasons, research suggests they have limited effect on significantly reducing urban temperatures.
However, even if the direct cooling impact is modest, greenery offers other benefits, such as increasing shade, improving air quality, and providing psychological relief from concrete environments.