Associated Press: Pope Benedict XVI began a pilgrimage in Australia Sunday, saying he wants to use his visit to raise awareness about global warming and to address the crisis of clergy sexual abuse. Benedict’s plane landed in the northern city of Darwin in the morning after a more than 20-hour flight from the Vatican. His plane was making a brief refueling stop before flying to Sydney, where he will lead celebrations at the World Youth Day festival. Benedict, 81, will spend three days resting at …