Greenpeace

From Tardis Wiki, the free Doctor Who reference

Greenpeace was a political organisation on Earth during the 20th century. The Eighth Doctor once dropped off Sam Jones at a Greenpeace rally in Canada. (PROSE: Vampire Science, Placebo Effect) Cinder found a Greenpeace t-shirt in one of the rooms in the Doctor's TARDIS. (PROSE: Engines of War)