<P> Newton - John's advocacy for health issues was presaged by her prior involvement with many humanitarian causes . Newton - John cancelled a 1978 concert tour of Japan to protest the slaughter of dolphins caught in tuna fishing nets . She subsequently rescheduled the tour when the Japanese government assured her the matter was being addressed . </P> <P> She was a performer on the 1979 Music for UNICEF Concert for the UN' International Year of the Child televised worldwide . During the concert, artists performed songs for which they donated their royalties, some in perpetuity, to benefit the cause . She was appointed a Goodwill Ambassador to the United Nations Environment Programme . </P> <P> In 1991, she became the National Spokesperson for the Colette Chuda Environmental Fund / CHEC (Children's Health Environmental Coalition) following the death of four - year - old Colette Chuda, a family friend, from cancer . (Chuda was featured along with Newton - John and daughter Chloe on the cover of Newton - John's Warm and Tender album .) </P> <P> Newton - John's cancer diagnosis also affected the type of music she recorded . In 1994, she released Gaia: One Woman's Journey which chronicled her ordeal . This was the first album on which Newton - John wrote all of the songs encouraging her to become more active as a songwriter thereafter . In 2005, she released Stronger Than Before, sold exclusively in the U.S. by Hallmark . This was her second exclusive album for Hallmark Cards after her successful first Christmas album' Tis the Season with Vince Gill five years earlier . Proceeds from the album's sales benefited breast cancer research . The album featured the song "Phenomenal Woman" based on the poem by Maya Angelou that featured guest vocals from Diahann Carroll, Beth Nielsen Chapman, Delta Goodrem, Amy Holland, Patti LaBelle and Mindy Smith--all survivors of or affected by cancer . </P>

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