The correct answer is (a) Amsterdam.
Greenpeace International is an independent campaigning organization that uses nonviolent direct action and creative communication to expose environmental problems and promote solutions that are essential to a green and peaceful future.
The organization was founded in 1971 in Vancouver, Canada, by a group of activists who were concerned about the environmental impact of nuclear testing. Greenpeace has since grown into a global organization with offices in over 55 countries.
The Greenpeace International headquarters is located in Amsterdam, Netherlands. The organization’s headquarters is a hub for its global network of activists and staff. It is also a place where Greenpeace develops its campaigns and strategies.
The other options are incorrect.
(b) Canberra is the capital of Australia.
(c) Ottawa is the capital of Canada.
(d) Nagasaki is a city in Japan.