American talk-show host, Oprah Winfrey, has been named as the highest-paid TV celebrity and one of the world's most powerful women, but she is also a big giver, topping a list of the 30 most generous celebrities for the second year running in 2007. The second annual list, compiled by The Giving Back Fund, a group that seeks to encourage philanthropy, put Oprah in the top slot with The Oprah Winfrey Foundation and Oprah's Angel Network spending 50.2 million in 2007 on education, health care, and advocacy for women and children worldwide. Second place on the list, published in the latest edition of Parade magazine, went to trumpeter and A&M record co-founder Herb Alpert with The Herb Alpert Foundation spending13 million on education, including the UCLA Herb Alpert School of Music. Singer-actress Barbra Streisand came third in the list that was based on public records of donations made in 2007, with $11milliondonatedbyTheStreisandFoundationtotheenvironment,wome{n}^{\prime }sissues,civilrights,AIDSresearch,andadvocacy.FourthplacewenttoPaulNewman,whogave$10 million to the Scholarship for Kenyon College, his alma mater in Gambier, Ohio. Mel Gibson was in the fifth slot, giving $9.9 million to the Holy Family Church in Malibu, California. What is this passage mainly about?