Christina Voigt is an expert in international environmental law and Professor at the Department of Public and International Law, University of Oslo, Norway. She works in particular on legal issues of climate change, multilateralism and sustainability. In 2009, she was awarded the first IUCN Academy of Environmental Law Junior Scholarship Prize. She is the author of “Sustainable Development as a Principle of International Law” (Brill, 2009), numerous academic articles and several edited volumes. Since 2011, she has been legal advisor to the Norwegian Ministry of Climate and Environment and negotiator in the UN climate negotiations