"It is deeply alarming that the international response so clearly falls short of what is needed to end the conflict in Syria. People are entitled to feel bewildered and angry that the UN Security Council seems unable to respond to the worst crisis of the 21st century,” Jolie said in statement published on UNHCR's website.
The actress urged governments all around the world to put differences aside and make another attempt to find a peaceful solution to the crisis in Syria and help hundreds of thousands of refugees and displaced people.
Syria's internal conflict began in 2011. The country's army is fighting several opposition and rebel groups, including the Islamic State jihadist group.
The civil war has claimed over 200,000 lives and forced more than 3 million people to flee the country, according to UN estimates.