"SALT" star Angelina Jolie once again used her star power to highlight yet another humanitarian crisis. This time, Jolie address the public about the 2010 Pakistan flood.

United Nations Goodwill Ambassador Angelina Jolie appears in a public service announcement (PSA) for the benefit of Pakistan. Jolie said that almost 20 million are affected by the Pakistan flood.

"This is not just a humanitarian crisis," Jolie says in the PSA. "It is an economic and social catastrophe."

The PSA video featuring Angelina Jolie is now available on Youtube.

But Jolie isn't just talking the talk.

Last month, Angelina Jolie appealed to her fans to help raise funds for the Pakistani people who have been devastated by the floods which hit the country last month.The Hollywood actress also donated $100,000 to the United Nations for the 2010 August flood relief operations in Pakistan.

The actress and her partner Brad Pitt has a history of supporting relief efforts after global catastrophes. Earlier this year, Jolie donated $1 million to Doctors Without Borders to help earthquake survivors in Haiti and gave $75,000 to build a girls school in Afghanistan.

For more information on Pakistan, please visit www.UNrefugees.org/food, or text SWAT 50555 to make a $10 donation.