Actress and United Nations Development Fund for Women (UNIFEM) Goodwill Ambassador Nicole Kidman participates in a news conference at U.N. headquarters to bring awareness to UNIFEM's 'Say No to Violence Against Women' campaign, Tuesday, April 22, 2008. [Agencies]

"I want to encourage people of all nations to unite behind our call to end violence against women," she said, urging people to sign on to the UNIFEM campaign at www.saynotoviolence.org.

Organizers said 210,000 people had already signed on to the online petition campaign and expressed hope that many more would follow suit.

Kidman also appealed for increased financing for the UN Trust Fund to End Violence against Women, which gives grants for innovative efforts in developing countries to help combat the scourge.

UNIFEM provides financial and technical assistance to innovative programs and strategies to foster women's empowerment and gender equality.