A Shift in Kawasaki’s Factory Greening Policy—July 1973

A Shift in Kawasaki’s Factory Greening Policy—July 1973 The promotion of factory greening emerged as a policy against the backdrop of the worsening pollution problems in Japan during the 1970s. During the period of rapid economic growth, environmental pollution caused by factory emissions and wastewater became a social issue, leading to demands not only for regulations but also for improvements to the physical environment itself. Amidst this, the concept of establishing a certain percentage of green space within factory premises was institutionalized and implemented through the “Factory Location Law.” The documents outline a policy of greening approximately 20% of factory sites, redefining factories from mere production facilities to facilities that take the surrounding environment into consideration. Green spaces were positioned as “buffer zones” that not only improved the landscape but also served functions such as noise absorption, dust suppression, and heat mitigation. This represented a shift in thinking—moving away from completely suppressing pollution at its source toward utilizing the power of nature to mitigate its impact. Furthermore, this policy had an impact on the industrial structure. With the mandatory implementation of factory greening, demand surged in the landscaping industry—which handles the supply, design, and construction of greenery—leading to the formation of a new industrial sector known as the “green business.” The documents also note the need for a stable supply of trees for factory greening and the establishment of a government-led promotion system, demonstrating that the initiative was advanced through a collaborative effort involving policy, business, and industry. Even in general online explanations, the Factory Location Act is known as a system that requires companies to secure a “minimum environmental facility area ratio” (generally 20% or more). This mechanism continues to function today, mandating the installation of green spaces and environmental facilities for large-scale factories, and is said to contribute to mitigating the urban heat island effect and enhancing the urban landscape. Thus, it can be said that factory greening was a policy with multifaceted significance: while originating as a measure to combat pollution, it led to improvements in the quality of the urban environment, industrial restructuring, and the creation of new business opportunities.