 Stone , alongside three other celebrities , was present at the 2012 Nickelodeon HALO Awards , a television special that profiled five teenagers who are " Helping And Leading Others " ( HALO ) . In 2014 , On an occasion in New York , Stone and Garfield encouraged paparazzi to visit websites , which spread awareness of causes , such as autism . She attended the 2014 Earth Hour , a worldwide movement for the planet organized by the World Wide Fund for Nature . In 2015 , she was part of a fundraising event in support of the Motion Picture & Television Fund , which helps people in the television and film industry with limited or no resources . 
