Colony Collapse Disorder

The bee population has been diminishing at high rate in the last 10 years, it is called as colony collapse disorder.

Why Colony Collapse Disorder done?

The diminishing of bees at fast rate due to use of neonicotinoids as pesticides which becomes quiet prevent in modern times.
The bees that come into contact with these pesticides begin to exhibit conditions.
Its leads to them abandoning their hives ( hives is used for man made / artificial structure to house a honey bee nest ) only to lost the way, never to return.