http://www.amnestyusa.org/ -As human beings, children are entitled to all the rights guaranteed by the Universal Declaration of Human Rights, but children also need special protection and care. Children's human rights are the blocks with which we build a human rights culture in societies and secure human rights for future generations. Take action to protect and promote the human rights of children around the world

http://www.freethechildren.org

http://www.childrensrights.org/

http://www.crights.org.uk/ -Children Rights Alliance for England: an alliance of over 160 organisations committed to promoting children human rights

http://www.crin.org/

http://www.childrenssociety.org.uk/

http://www.dci-au.org/html/rightsuk.html