Bees are one of the most essential animals on the planet. Countless of other species rely on bees in order to survive. Without bees many plants are unable to reproduce. It is estimated that up to 85% of plant crops grown for human consumption is depended on bee pollination. In 2007 a mysterious disease appeared causing mass hive collapses across the world. The US lost 40% of their bee population within the first year of the disease's appearance.