The abhorrent practice of family separation at our borders highlights the need for a wise, long-term immigration policy. Of course, our stance on immigration should be rooted in the knowledge that climate change will drive a rise in migrants and refugees seeking shelter in the US and other countries around the world. In fact, the acknowledgement of climate change should be the basis for all our national policies and actions. Health care, taxation, defense, housing and infrastructure policy should be based on the reality of global warming.