Anyone can do this, you do not have to be a Buddhist.
Recite the Golden Light Sutra for world peace. Please go to
http://www.fpmt.org/teachers/zopa/advice/peace.asp to read Rinpoche s words about the benefits of reciting this powerful sutra.
Then do any recitations via
http://www.fpmt.org/golden_light_sutra/
Thanks and loving kindness to you all