A really informative and readable book to help you get caught up on all the background of this natural mystery and how it was solved, or at least detected, is: A WORLD WITHOUT BEES published by Guardian Books.
Now that we know what's wrong it's only a matter of common sense and political will, two commodities which seem to be in short supply these days.
Here is one small thing you can do. Friends of the Earth have a campaign going to solicit Michelle Obama and her White House garden for help in nationalizing awareness and action on this environmental threat.Click here to sign a petition to her. http://action.foe.org/p/dia/action3/common/public/?action_KEY=14043
Germany has already joined with France and Italy to ban some pesticides that scientists have determined harm the memories of bees, one factor involved in a synergy of forces contributing to CCD. Yet, the US government lags way behind in standing up to the agricultural chemical industry.
Einstein famously said,"If the bee disappeared off the surface of the globe then man would only have four years of life left."