Will Meyer | Longreads | January 2019 | 15 minutes (4,073 words)

“At the museum steps
Didn’t we establish
That all this blood is not a dream
This is progress
And we are not that high
We could almost be redeemed”

 — unreleased song by The Lentils

*

For years, changes in butterfly populations and migrations have been considered an “early warning indicator” of global warming. In 2006, a British butterfly specialist told The New Yorker’s Elizabeth Kolbert that of 10 species living in Southern England at the time, “Every single one has moved northward since 1982.”

Now, several years and many missed early warning indicators later, the National Butterfly Center in Mission, Texas, that has received a letter from Customs and Border Protection announcing the government’s intent to build a border wall through critical habitat for 240 species of butterflies and 300 types of birds. The letter…