Similar to オゾン層保護のための国際デー

Vienna Convention for the Protection of the Ozone Layer

Montreal Protocol

World Tourism Day

World Rabies Day

International Literacy Day

World Suicide Prevention Day

International Translation Day

International Day of Peace

International Day of Democracy

ISO 14000 family

International Material Data System

Start-stop system

Agenda 21

Upcycling

United States Environmental Protection Agency

Environmental policy of the United States

Convention on the Conservation of Migratory Species of Wild Animals

Energy-efficient driving

Ecological footprint