Two Degrees: The Point of No Return

As the Earth’s average temperature rises each year, experts warn that we are nearing a fatal tipping point, 2 degrees Celsius above the norm, that will set into motion a cascade of natural disasters that will devastate America and the world. From raging fires to epic superstorms, volcanic blasts and rising seas, will human existence be pushed to the brink?

• Two Degrees: The Point of No Return