According to Häagen-Dazs, today’s ice creampocalypse may, in fact, help avert a real apocalypse: the collapse of certain crops worldwide. From 4 p.m. to 8 p.m., participating HD shops will be giving away 4 oz. scoops of their newest flavor, Vanilla Honey Bee. Today’s freebie is meant to raise awareness about the massive die-off of honey bees, which are responsible for the ingredients used in 40 percent of HD’s flavors. In addition, when you buy…