環境汚染

• Reading: かんきょうおせん
• Romaji: kankyo osen
• Kanji breakdown: 環 (kan) — ring, environment; 境 (kyō) — boundary, region; 汚 (o/kitana) — dirty, pollute; 染 (sen/so) — dye, contaminate
• Pronunciation: /kan.kʲoː.o.sen/

Meaning

Environmental pollution; the contamination of natural environments by harmful substances, industrial waste, or human activity.

A compound noun combining 環境 (environment) and 汚染 (contamination). A core term in environmental law, policy, and activism, encompassing air, water, soil, and noise pollution. Often appears in legal and journalistic contexts when discussing industrial responsibility and regulation. Japan's postwar pollution crises — including Minamata disease and Itai-itai disease — gave the term particular urgency.

Examples

1. 工場排水による環境汚染が、下流の村の飲み水を危険にさらした。 Industrial wastewater pollution endangered the drinking water of villages downstream.
2. 環境汚染を防ぐための国際条約の締結に向け、各国が交渉を続けている。 Countries continue to negotiate towards an international treaty to prevent environmental pollution.
3. 地域の環境汚染の歴史を教材に取り入れることで、子どもたちの環境意識を育てる試みが広がっている。 Efforts are spreading to incorporate the local history of environmental pollution into school curricula, fostering environmental awareness in children.

Usage Guide

Context: environment, law, public health, policy

Tone: negative

Origin & History

環境 (environment) was coined in the Meiji era to translate the Western concept, combined with 汚染 (contamination), which dates to classical Chinese. The compound became widespread after Japan's postwar industrial pollution crises of the 1950s–70s.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal