She's green, but could be a little greener, figures Oprah Winfrey. "I'm already washing out my plastic bags. What I would like to do is reduce my electric bill by at least 20 percent. I'm going around turning off all the lights inside and outside. I'd like to get a dimmer and a timer."

Add that to the ultra-busy media mogul's schedule, which includes the final season of her syndicated "Oprah Winfrey Show" and overseeing her new OWN cable network, which launched Jan. 1 with shows featuring expert pals like Gayle King and Laura Berman and will soon include programs starring Lisa Ling, the Judds, Suze Orman, Cat Cora, Rosie O'Donnell, Sarah Ferguson, Ryan and Tatum O'Neal, and in the fall, "Oprah's Next Chapter," Winfrey's new show.

"You can leave the television on all day long and there's not going to be one thing that causes you not to sleep at night. The intention of this channel is to bring good energy. There's no better time for it," she says of the Oprah Winfrey Network, although she had her share of fears and concerns going in about whether people could find it and if it would work. Nevertheless, she felt it was worth the risk. "I know it will get stronger and it will get better," she believes, thinking about shows she wants to develop that "speak to people who love their animals, to the 20-25 year old group that's just starting out on their own, and a show that takes on parenting in a more interesting, dynamic way," she says. "It's all about the build."

Her programming aims to be transformative, but Winfrey stops short of saying it will change lives. "I realized that's not for me to say. That was a big lesson I learned: Don't go around telling people you are going to change their lives. Let them tell you if that's what their experience was. I'm not trying to please everybody," she emphasizes. "I'm trying to please people who want to hear it."

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