There are international and domestic regulations and standards you must follow to protect the environment from shipping-related pollution when operating in the maritime industry.
Links
[1] https://www.amsa.gov.au/news-community/news-and-media-releases/ghost-fishing
[2] https://www.amsa.gov.au/marine-environment/national-plan-maritime-environmental-emergencies
[3] https://www.amsa.gov.au/marine-environment/incidents-and-exercises
[4] https://www.amsa.gov.au/marine-environment/marine-pollution
[5] https://www.amsa.gov.au/marine-environment/maritime-casualty-response
[6] https://www.amsa.gov.au/marine-environment/pollution-response
[7] https://www.amsa.gov.au/marine-environment/air-pollution