Earth Day was Wednesday, April 22. So it was only fitting that the Supreme Court decided its first environmental law cases of the term—two of them, in fact. One dealt with the process for cleaning up “Superfund” sites, and the other with point source pollution permits under the Clean Water Act. But the Court didn’t stop there; four more decisions were handed down: a landmark Sixth Amendment case, for which I wrote an in-depth analysis here; a complex immigration law case, for which you might need multiple cups of coffee and an abacus; and two intellectual property law cases, which, with all due respect, might be best read if you’re trying to fall asleep. Here’s your recap for the week of April 20.