I In this poem, Robert Frost uses two opposing concepts—fire and ice—to forecast how the world will end. Some believe the world will end in fire, while others believe it will end in ice, according to him. The poet compares desire to fire and hatred to ice. He also says that love is like a red rose: It ends in pain. II In his book The End of Time, David Griffin predicts that the world will end in ice. He based this conclusion on three events that would have to happen before the end of time: the destruction of all life on Earth, the collapse of both the North and South Poles, and the freezing of water that exists as clouds in the sky. III According to some scientists, the world will end in fire. They say that if something doesn't stop our planet from being engulfed by solar heat, then it will be too hot for human life one day. Scientists who have studied this topic believe that this will happen around 10 million years from now. IV Another idea about how the world will end is called "The Freeze-Death Theory". This theory states that the world will end when the last ice cube on Earth has melted. When this happens, it will be 100 degrees Fahrenheit everywhere, which means that only organisms that can survive at such high temperatures will remain alive after this point. Most species on Earth today would freeze to death before this could happen.