When you think of the U.S.-Mexico border, a myriad of “hot-button” issues may go through your head. Ethical dilemmas, immigration policy and border security are just a few. There is a torrent of conversation on these issues here in Washington, D.C., but one issue that isn’t discussed as widely is the impact on wildlife and biodiversity. Add to the chaos the seemingly constant changes in the location and types of border wall the current administration proposes to construct. Can you keep up? Read more here .