Possible Clues:

• Org. with "Trick-or-Treat" donation boxes
• Organisation for helping children and mothers in developing countries
• Nobel-winning relief org. for kids
• Org. that won the 1965 Nobel Peace Prize
• Humanitarian org. focused on the young
• Chateau Nice farm houses organisation with minor concerns
• Intl. relief agency
• Org. with a 'Trick-or-Treat' donation box
• Organisation takes frozen water for starters - it helps the little ones!
• Children's welfare org.