OZONE BOOST Not since we heard the sky wasn’t falling have we heard such good news: The hole in the ozone layer is shrinking. The hole, which lets in potentially harmful ultraviolet rays, is almost 2.5 million square miles smaller than in 2000, half the area of theUS. What happened? Scientists think we did it by outlawing hairspray and other sources of ozone-eating chlorine in the 1987 Montreal Protocol. They say it was worth the messy hair. rticle 2 truth… it sounds like a cliché, right? Like the coach who instructs the hitter to ‘hit That’s truth, and if with that, you work backward.