1977 in the environment

This is a list of notable events relating to the environment in 1977. They relate to environmental law, conservation, environmentalism and environmental issues.

• The World Network of Biosphere Reserves was started.

• The Venpet-Venoil collision occurred in dense fog off the coast of South Africa. The Venoil ploughed into the Venpet, eventually leading to the spilling of approximately 26,600–30,500 tonnes of crude oil.

• The Reserves Act 1977 is passed in New Zealand.

• Human impact on the environment
• List of environmental issues