Leonardo DiCaprio, Actor and UN Messenger for Peace Economic Case for Action: Jeffrey Sachs, Director, The Earth Institute, Columbia University Group shot from the Cities Action Announcements session View of the dais during the thematic discussion on the Economic Case for Action Economic Case for Action: Felipe Calderon, Former President of Mexico, and Chair of the Global Commission on the Economy and Climate Voices from the Climate Frontlines: Ronan Farrow, Host of 'Ronan Farrow Daily' on MSNBC Voices from the Climate Frontlines: Femi Oke, Al Jazeera English Voices from the Climate Frontlines: Sylvia Atungonza Kapello, Riamiriam Civil Society Network in Karamoja, Uganda Resilience Action Announcements Freundel Stuart, Prime Minister of Barbados, co-lead of the Resilience Action Announcements Shinzo Abe, Prime Minister of Japan, co-lead of the Resilience Action Announcements Resilience Action AnnDSC_7639ouncements: Andris Piebalgs, European Commissioner for Development Transport Action Announcments group picture Agriculture: Ishmael Sunga, CEO, Southern Africa Confederation of Agricultural Unions Agriculture: Nkosazana Dlamini-Zuma, Chair, African Union Commission Agriculture: Mahamadou Issoufou, President of Niger Agriculture Action Announcements Agriculture Action Announcements Kimo Goree, IISD Reporting Services, and Scott Vaughn, President and CEO, IISD Industry Action Announcements group photo Antoine Frérot, CEO, Veolia Environnement Industry: Parks Tau, Mayor, City of Johannesburg, South Africa Industry: Gina McCarthy, Administrator, US Environmental Protection Agency, and Doris Leuthard, Federal Councillor, Switzerland Sophie Punte, Executive Director, Smart Freight Center Industry: Kevin Fay, Executive Director, Alliance for Responsible Atmosphere Policy Industry Action Announcements: Khalid A. Al-Falih, CEO, Saudi Aramco Hassan Rouhani, President of Iran Ali Bongo Ondimba, President of Gabon Jan Eliasson, UN Deputy Secretary-General Nicos Anastasiades, President of Cyprus Robert Orr, UN Assistant Secretary for Policy Coordination and Strategic Planning, and Jan Eliasson, UN Deputy Secretary-General UN Secretary-General Ban Ki-moon gavels the Summit to a close Graca Machel, Founder, Graca Machel Trust Ollanta Humala, President of Peru UN Secretary-General Ban Ki-moon presents his Chair's Summary Arthur “Mychal” Johnson, South Bronx Unite, during the Voices from the Climate Frontlines discussion DSC_2922_frontlines_south_bronx Voices from the Climate Frontlines: Arthur “Mychal” Johnson, South Bronx Unite, tries to get the attention of the moderator to make an intervention on asthma rates in the Bronx Voices from the Climate Frontlines: Evo Morales, President of Bolivia Voices from the Climate Frontlines: Enele Sopoaga, Prime Minister of Tuvalu Voices from the Climate Frontlines: Evo Morales, President of Bolivia Voices from the Climate Frontlines:Ronan Farrow, Host of 'Ronan Farrow Daily' on MSNBC Voices from the Climate Frontlines Cities Action Announcements: Zhu Xiaomong, Mayor of Zhenjiang, China Cities Action Announcements: Eduardo Paes, Mayor of Rio de Janeiro Cities Action Announcements: Michael Bloomberg, UN Secretary-General's Special Envoy for Cities and Climate Change Helge Lund, CEO, Statoil, and Fred Krupp, Director, Environment Defense Fund (EDF), announce initiative Forests Action Announcements: UNDP Administrator Helen Clark (right) Forests Action Announcements Forests Action Announcements: UNDP Administrator Helen Clark with speakers during the session Forests Action Announcements: Kumi Naidoo, Executive Director, Greenpeace International, and Susilo Bambang Yudhoyono, President of Indonesia Forests Action Announcements Khalid A. Al-Falih, CEO, Saudi Aramco, with colleagues François Hollande, President of France Zhang Gaoli, Vice-Premier of China Baron Waqa, President of Nauru and Chair of Alliance of Small Island States (AOSIS) US President Barack Obama addresses the UN Climate Summit US President Barack Obama addresses the Climate Summit Nicolas Maduro, President of Venezuela Dilma Vana Rousseff, President of Brazil Kathy Jetnil-Kijiner, civil society representative, Marshall Islands, and family during the opening session Leonardo DiCaprio, Actor and UN Messenger for Peace Li Bingbing, Actress and UN Environment Programme Goodwill Ambassador Al Gore, Nobel Laureate and former US Vice-President New York Mayor Bill De Blasio The delegation of Saudi Arabia UN Secretary-General Ban Ki-moon