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SEOUL, SOUTH KOREA

POPULATION: 9.6 MILLION

KEY PROJECT: CHEONGGYECHEON STREAM RESTORATION

COMPANY: HYUNDAI E & C CEO: LEE HAN-WOO

Seoul aims to achieve a 40 % cut in emissions by 2030 against 2005 as part of its journey to reach carbon neutrality by 2050.

The Cheonggyecheon Stream Restoration project, carried out by Hyundai E & C, replaced a trafficpacked section of elevated freeway in downtown Seoul, providing flood protection and increasing overall biodiversity by 639 %. It contributed to a 15.1 % increase in bus use and 3.3 % increase in subway use over five years and attracts thousands of visitors daily.

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The Specialist – new energy Lee Han-Woo, CEO, Hyundai E & C

38 December 2025