SYDNEY, Australia - Pope Benedict XVI said Sunday a "spiritual desert" was spreading throughout the world and he challenged young people to shed the greed and cynicism of their time to create a new age of hope for humankind.
Speaking at a Mass before some 350,000 Roman Catholic pilgrims and a likely television audience of millions more, Benedict wrapped up the church's six-day World Youth Day festival. He urged the young people in his more than 1 billion-strong flock to be agents of change because "the world needs renewal."
"In so many of our societies, side by side with material prosperity, a spiritual desert is spreading: an interior emptiness, an unnamed fear, a quiet sense of despair," the pontiff said.
The appeal came as Benedict finished a visit to Australia that touched on the themes that have defined his three-year-old papacy, including the struggle to rejuvenate a crisis-battered Church, reaching out to other faiths and raising global warming as an important issue.
The 81-year-old pope said it was up to a new generation of Christians to build a world in "which God's gift of life is welcomed, respected and cherished