1981 in the environment

This is a list of notable events relating to the environment in 1981. They relate to environmental law, conservation, environmentalism and environmental issues.

• The Protected Natural Areas Programme began in New Zealand.
• The Wildlife and Countryside Act 1981 is passed in the United Kingdom

• The Japan Australia Migratory Bird Agreement treaty came into force. It aims to minimise harm to the major areas used by birds which migrate between the two countries.

• Human impact on the environment
• List of environmental issues
• List of years in the environment