Cooling Tokyo: Harnessing Traditional Methods to Combat Urban Heat Island Effect

The video discusses the urban heat problem and how traditional methods like Ichimitsu, a Japanese water sprinkling technique, are being researched for modern applications. It highlights a new automatic road cooling system in Tokyo that uses wastewater and renewable energy to reduce surface and air temperatures. However, the system's high cost and limited effectiveness in reducing air conditioning use are challenges. The video emphasizes the need for widespread adoption to achieve significant energy savings.

What traditional method is being revisited to combat urban heat?

• Planting more trees

• Using reflective paint

• Sprinkling water on the ground

• Installing solar panels

Who is leading the research on Ichimitsu in Japan?

• Professor Kenji Nakamura

• Professor Akira Suzuki

• Professor Hiroshi Tanaka

• Professor Tedeshi Yamada

What is one of the benefits of the Ichimitsu system?

• Enhances building aesthetics

• Reduces traffic noise

• Increases air conditioning efficiency

• Improves water quality

What is a potential downside of relying solely on Ichimitsu?

• It can increase humidity

• It can damage road surfaces

• It may not be effective during water shortages

• It requires constant maintenance

How much did the experimental Ichimitsu system cost?

• ¥160 million

• ¥120 million

• ¥140 million

• ¥100 million