Editor’s Note: Editor’s Note: Bill McGuire is professor emeritus of geophysical & climate hazards at University College London and author of “Hothouse Earth: An Inhabitant’s Guide.” The views expressed in this commentary are his own. Read more CNN opinion here.

Are you frightened by climate change? Do you worry about what sort of world we are bequeathing to our children and grandchildren? In the words of science writer and author of “The Uninhabitable Earth” David Wallace-Wells, “No matter how well informed you are, you are surely not alarmed enough.”