Starting 1 January 2026, the country will introduce regulations aimed at tourist ships and ferries under 10,000 gross tons.
However larger ships, including cruise vessels, must comply with these new emission rules by 2032.
The country’s government explained that rules will apply later for larger ships owing to the fact sufficient technology does not yet exist.
The World Heritage fjords comprise of The Naeroyfjord, Aurlandsfjorden, The Geiranger Fjord, Sunnylvsfjorden and The Tafjord.
Each one is listed as a Unesco World Heritage site, placing them under international security and protection.
Climate and environment minister Andreas Bjelland Eriksen said: “The goal is to take care of the spectacular fjords and create sustainable tourism.
“The requirement for zero emissions will contribute to technology development, lower emissions and secure the world heritage fjords as attractive tourist destinations.”
He added: “It has been important for me to find a solution. I believe we have now succeeded.”
The government also confirmed it would fund shore power facilities in popular cruise port Flam. This would mean ships can connect to the local power grid, further reducing emissions while docked.
Norway saw a record year for cruise calls and passengers in 2023. Cruise calls have risen from 2,237 in 2013 to nearly 3,500 last year.
Emission estimates show that CO2 emissions from cruise ships in Norwegian coastal and marine areas have increased sharply from 382,000 tons of CO2 in 2015 to 968,000 tons last year.
