Why is 11th hour entitled the 11th hour?

The term "11th hour" refers to the last possible moment to take action before a deadline or important event. In the context of the documentary "The 11th Hour," it highlights the urgent need to address environmental issues before it's too late. The title underscores the critical state of the planet and the necessity for immediate action to avert catastrophic consequences. It serves as a call to awareness and responsibility regarding environmental sustainability.