The act of dumping waste without permission or proper procedures; illegal and punishable by law, often discussed as a local environmental issue.
川沿いに大量のゴミが捨てられており、不法投棄の疑いで調査が始まった。
Large amounts of garbage were dumped along the river, and an investigation began on suspicion of illegal dumping.
重機を使った不法投棄は地域住民に大きな被害を与える。
Illegal dumping using heavy machinery causes significant damage to local residents.
不法投棄は環境省の管轄で取り締まりや罰則が定められている。
Illegal dumping is regulated by the Ministry of the Environment, which sets enforcement measures and penalties.
住民が見つけた不法投棄の現場写真を市に通報した。
A resident reported photos of an illegal dumping site to the city.