In this photo taken Wednesday, Nov. 18, 2009, children look for recyclable materials at a garbage dump in Allahabad, in the northern Indian state of Uttar Pradesh. Twenty years after the U.N. adopted a treaty guaranteeing children’s rights, fewer youngsters are dying and more are going to school, but an estimated 1 billion still lack services essential to their survival and development, UNICEF said Thursday. (AP Photo/Rajesh Kumar Singh)