South Korea recorded a historic high temperature of 42.5 °C [1] on July 2, 2024 [2], triggering severe drought and new urban cooling measures.
This extreme weather event highlights the growing vulnerability of East Asian agriculture and the urgent need for urban adaptation as heatwaves reach unprecedented levels. The temperature spike caused immediate physical damage to food production infrastructure and forced city officials to implement rapid-response cooling technology.
In Yangsan city, located in the Gyeongsangnam-do province, the heat had a devastating impact on local farming. Agricultural reservoirs were found completely dried up, leaving crops without water. A local farmer said the heat was unlike anything experienced before and that they had almost no choice but to give up on the withered rice fields.
To combat the rising temperatures in the capital, Seoul officials introduced "smart" free-rental sun umbrellas. These umbrellas are housed in stands where pedestrians can use a QR code to borrow them for up to 48 hours [3]. The system is designed to provide immediate relief to citizens walking in the direct sun.
Beyond public infrastructure, new businesses are emerging to treat heat exhaustion. Some entrepreneurs have introduced "extreme cold rooms" that maintain a temperature of −5 °C [4]. These rooms allow individuals to rapidly lower their body temperature through brief exposure to sub-zero conditions.
These measures reflect a shift toward high-tech interventions as traditional cooling methods fail to keep pace with the record-breaking climate trends observed in the region.
“The heat was unlike anything experienced before.”
The intersection of agricultural failure in rural provinces and the rise of 'heat businesses' in Seoul demonstrates a bifurcated crisis. While urban centers can deploy technological buffers like QR-coded umbrellas and cryotherapy rooms, the rural economy remains exposed to total crop loss when water reservoirs evaporate, suggesting that climate adaptation in South Korea currently favors urban resilience over food security.

