Getrude Clement, a climate youth representative from Tanzania, called on delegates to stand with the children of the world. A Youth representative opened the Paris Agreement signing ceremony. Getrude Clement, a climate youth representative from Tanzania UN Secretary-General Ban Ki-moon Enele Sosene Sopoaga, Prime Minister, Tuvalu Samoa signs Palestina signs Palau signs François Hollande, President, France Barbados signs Alexander Khloponin, Deputy Prime Minister, Russian Federation The Philippines signs Ollanta Humala, President, Peru High-level Event on "Taking Climate Action to the Next Level: Realizing the Vision of the Paris Agreement" L-R: President of the UNGA Mogens Lykketoft; UN Secretary-General Ban Ki-moon; and Hoesung Lee, Chair, Intergovernmental Panel on Climate Change (IPCC) L-R: President of the UNGA Mogens Lykketoft; UN Secretary-General Ban Ki-moon; and Hoesung Lee, Chair, Intergovernmental Panel on Climate Change (IPCC) Princess Lalla Salma of Morocco Maldives signs Leonardo DiCaprio, Actor and UN Envoy on Climate Change, addressing the plenary Leonardo DiCaprio, Actor and UN Envoy on Climate Change, addressing the plenary Leonardo DiCaprio, Actor and UN Envoy on Climate Change John Kerry, US Secretary of State John Kerry, US Secretary of State, signing the Paris Agreement accompanied by his granddaughter Matteo Renzi, Prime Minister, Italy President of the UNGA Mogens Lykketoft President François Hollande of France Evo Morales, President, Bolivia Joseph Kabila, President, Democratic Republic of Congo 197 children representing all the countries of the world invited delegates to stand up to combat climate change Delegates at the signing-ceremony Delegates at the signing-ceremony L-R: Ségolène Royal, COP 21 President, and Minister of Ecology, Sustainable Development and Energy, France; François Hollande, President, France; UN Secretary-General Ban Ki-moon; and Princess Lalla Salma of Morocco L-R: Ségolène Royal, COP 21 President, and Minister of Ecology, Sustainable Development and Energy, France; UN Secretary-General Ban Ki-moon; and Salaheddine Mezouar, President Designate of COP 22 and Minister of Foreign Affairs and Cooperation, Morocco L-R: Ségolène Royal, COP 21 President, and Minister of Ecology, Sustainable Development and Energy, France; UN Secretary-General Ban Ki-moon; and Salaheddine Mezouar, President Designate of COP 22 and Minister of Foreign Affairs and Cooperation, Morocco Ségolène Royal, COP 21 President, and Minister of Ecology, Sustainable Development and Energy, France Hindou Oumarou Ibrahim, Civil Society Representative, Chad Hindou Oumarou Ibrahim, Civil Society Representative, Chad Zhang Gaoli, Vice Premier, China Zhang Gaoli, Vice Premier, China Justin Trudeau, Prime Minister, Canada Anand Mahindra, Chairman, Mahindra Group Dilma Rousseff, President, Brazil Dilma Rousseff, President, Brazil Dilma Rousseff, President, Brazil Belize signs