Mistitled. Should be The ghost in your genes. One example they use is that of how a father and /or mother that has or is going through famine can effect genetic expression of 2-3 generations that follow. Conclusion of one Doctor was that we really must take care of our situation we live in today because even if things turn out better for following generations what we do with our bodies and environment today will affect them.
Not directly related to Arctic, but to my mind just farther evidence that what every we do today will have consequences for many generations.