A third of our food could not exist without bees—but in many regions they are being killed by chemicals, mites and environmental stress.
Markus Imhof tries to get to the bottom of why. His film gives useful and fascinating background and clearly explains the ecology.
It is optimistic, but it pulls its punches against the big pesticide firms and the governments that back them.
A film by Markus Imhoof
In selected cinemas from Friday 6 September