This will be Obama's 165th official White House press conference, according to the American Presidency Project.
Last year was the hottest year ever recorded, marking the third year in a row that average global temperatures hit record-setting levels, NASA and NOAA said Wednesday.
Nigeria's President Muhammadu Buhari offered his condolences to the families, labeling the bloodbath a "regrettable operational mistake."
Photographer Dimitar Dilkoff documented Iraqi special forces pushing deeper into ISIS-held districts in eastern Mosul.
A series of three strong earthquakes hit central Italy on Wednesday. The strongest had a magnitude of 5.7.