More legal conferences are experimenting with ways to reduce their environmental footprint, and it turns out doing so might not be all that difficult—or expensive.

Last week’s Corporate Legal Operations Consortium (CLOC) institute in Las Vegas addressed the issue head-on during the registration phase. Instead of the usual ID card tucked into a plastic sleeve, attendees signing in at the Bellagio hotel received a card with pre-punched holes at the top designed to accommodate a ready supply of double-ended lanyards.