The sea level is rising. We are in an “interglacial period” within the Pleistocene Ice Age, according to the learned. It has been melting ice for the last ten thousand years. So, we miniscule Earthlings are fighting an uphill battle.

To put it in perspective, most of us are not worrying about the inexorable melting of icebergs for the next 100, 1,000, or 10,000 years. That’s not necessari...