Xinhua: "Climate change is really undermining the rights of every child today and the children of tomorrow," Alex Heikens, a senior official with the United Nations Children's Fund (UNICEF), told Xinhua in an interview,just a few days before opening of the UN climate change summit. The UN summit will start at United Nations Headquarters in New York on Sept. 23 and UN Secretary-General Ban Ki-moon will be the host. "The session is really about bringing the voices of marginalized people, particularly children,...