• The Intergovernmental Panel on Climate Change concludes that it is "very likely" that global warming has a human cause.
• Nearly three hundred people are killed during a battle between insurgents and U.S.-backed Iraqi troops in the Shi'a holy city of Najaf.
• Roger Federer (pictured) wins the men's single title at the 2007 Australian Open without losing a single set; Serena Williams, unseeded for the tournament, wins the women's single title.
• In Guinea, a general strike that has resulted in at least fifty-nine deaths in violent clashes between police and demonstrators ends after seventeen days.
• The Supreme Council of Kyrgyzstan rejects the nomination of Felix Kulov for a second time and instead approves Azim Isabekov as the new Prime Minister.
• Moshe Katsav temporarily relinquishes his position as President of Israel amid allegations of multiple offenses, including rape and obstruction of justice.