 Once the theme park was halted in May 2002, she moved to Rosia Montana to help develop a campaign against Europe's largest open-pit gold mine proposed by Rosia Montana Gold Corporation.This campaign, which Roth coordinated from 2002-2010, is known as the "Save Rosia Montana" movement and centres around the local opposition.In 2005 she received the Goldman Environmental Prize for her efforts to stop this development.