As the Papal conclave gets underway in Rome, the Twittersphere is lighting up with final farewells from some of the 115 cardinals, as well as comedians.
Amidst a tearful crowd, Pope Benedict XVI led his final public mass on Wednesday at St. Peter's Basilica. He thanked those in the audience for their prayers. Breaking with tradition, he will retire this month to a life of prayer in a converted monastery. He will not play a role in the selection of his successor.
A pilgrim holds a candle while attending a mass at the Catholic shrine of Fatima, Portugal, in 2010. Thousands of pilgrims made their way to the Fatima Shrine to attend a mass by Pope Benedict XVI to mark the 93rd anniversary celebrations of the first appearance of the Virgin Mary to three shepherd children in 1917.
Environmental activists from Greenpeace demonstrate in the water by holding images of landmarks during the United Nations Climate Change Conference in Cancun, Mexico. According to the UN weather agency, 2010 is 'almost certain' to rank among the three hottest years on record, and in a report issued Tuesday, experts said glaciers in southern South America and Alaska's coastal mountains have been losing mass faster and for longer than glaciers elsewhere in the world.
Pope terror plot allegedly involved five street cleaners who were picked up by police before dawn Friday in London. A sixth individual, implicated by authorities in the pope terror plot, was arrested later in the day.