By Vincent Alonzo On April 22, more than 10,000 Earth Day events unfolded across the globe—river cleanups in Bali, regenerative tourism pledges in Canada, LEED-certified renovations in Tampa, and a wave of “conscious luxury” messaging from hotel brands worldwide. The meetings and events industry showed up as well. On paper, at least. Sustainability in events has never had a messaging problem; it’s an operations problem.