There’s an interesting article, by Pedro M. Cruz and John Whibey, dealing with immigration to the U.S.A. posted at the National Geographic website on the 28th of June, 2018. Somebody figured out how to take the ethnic immigration data and show it as tree ring might be shown. As a native of the Pacific Northwest, and a sometime hiker, I’ve spent a lot of time looking at tree rings over the years. The article is interesting and I’ve posted a teaser below.
From policy particulars to deep questions of morality, the issue of immigration in the United States has come up with fierce urgency in recent weeks.
But today’s immigration battles take place within a long, slowly accruing history that is difficult to grasp in its sheer scale and complexity. Tens of millions of people who represent every corner of the globe have immigrated to the U.S. over the last two centuries. The picture that emerges over time can resembles a living organism, which inspired this graphic.
Trees’ annual growth rings reflect varying environmental conditions, and these forms are not perfect circles or ellipses.
