As Playboy’s global ambassadors, Playmates travel the world and often discover circumstances that inspire them. Such was the case for Miss July 2003 Marketa Janska, who recently went to Africa on safari but left with a charitable mission. While visiting a small Tanzanian village, Marketa encountered a school ill-equipped to serve its students. “Kids were sitting on the ground, trying to read and write,” says Marketa. “It was heartbreaking.” To help the school buy new desks and supplies, Marketa launched an online fund-raiser at “I hope I can do more over time,” she says. “This is just the start.”

For more on Marketa visit her most recent Playboy Redux gallery here