More than Honey (trailer)
http://morethanhoneyfilm.com/index.html
"Over the past 15 years, numerous colonies of bees have been decimated throughout the world, but the causes of this disaster remain unknown. Depending on the world region, 50% to 90% of all local bees have disappeared, and this epidemic is still spreading from beehive to beehive all over the planet. Everywhere, the same scenario is repeated: billions of bees leave their hives, never to return. No bodies are found in the immediate surroundings, and no visible predators can be located.
In the US, the latest estimates suggest that a total of 1.5 million (out of 2.4 million total beehives) have disappeared across 27 states. In Germany, according to the national beekeepers association, one fourth of all colonies have been destroyed, with losses reaching up to 80% on some farms. The same phenomenon has been observed in Switzerland, France, Italy, Portugal, Greece, Austria, Poland and England, where this syndrome has been nicknamed the Mary Celeste Phenomenon, after a ship whose crew vanished in 1872..."