2007 - a year when the world acknowledged that climate change is manmade and poses the biggest threat to the future of our planet. The United Nations faced considerable challenges during a year of new and ongoing conflicts. At the same time, an unprecedented number of peacekeepers served in missions around the world and the fight against hunger and poverty continued.It was a year when Ban Ki-moon took office as the new Secretary-General. His two main priorities: climate change and bringing peace to Darfur. But it was also a year when the UN was the target, once more, of a terrorist attack. This time, in Algiers.2007 also marked the midpoint in reaching the Millennium Development Goals to reduce poverty and provide access to health and education by 2015.The annual Year in Review programme includes coverage of global events and comments from world leaders, as well as citizens, dealing with the effects of climate change or malaria. It also provides an intimate view of the worldwide work of the United Nations in 2007 and concludes with the award of the 2007 Nobel Peace Prize jointly to the UN’s Intergovernmental Panel on Climate Change and Al Gore.