A reporter is tasked with narrating the key outcome of a scientific conference. The conference communiqué states: 'Leading scientists from around the world convened to discuss climate change. They unanimously agreed that immediate and drastic actions are required to reduce global carbon emissions to prevent irreversible environmental damage within the next decade.' Which sentence best captures the *main message* for a news story narration?
A) Scientists had a meeting about the weather.
B) A global scientific consensus has emerged, emphasizing the urgent need for drastic actions to cut carbon emissions to avert irreversible climate damage.
C) Climate change is a complex issue with many factors.
D) Scientists enjoy discussing environmental topics.
E) The conference lasted for three days.