Bastida led her high school, The Beacon School,[10] in the first major climate strike in New York City on 15 March 2019.[13] She and Alexandria Villaseñor officially greeted Thunberg upon her arrival from Europe by boat in September 2019 to attend the UN Climate Summit.[14] Xiye has been coined "America's Greta Thunberg" however has said that "calling youth activists the ‘Greta Thunberg’ of their country diminishes Greta’s personal experience and individual struggles".[15][16]