xERo: this may be of interest to you and your essay:

The bees around the world are dissappearing. The reason for the sudden dissappearnce can be blamed on 'pesticides'. However, the scientists have not been able to pinpoint the main cause. In USA farmers are importing live bees from Australia to use in orcahrds and vegetable farms. Some parts of China the bees have completely vanished and now the farmers there are pollinating the flowers 'themselves'! Bees can pollinate 3 million flowers in one day. Manually, humans can pollinate 300,000 flowers in a day.

The dissappearnace of bees was first noticed by farmers in Texas. The bees travel about 3miles from their hives. For the past three years they simply were not returning. Many died or got lost on the way.

Go ahead and check websites and you will find plenty of articles.

ALL BEST FOR YOR ESSAY.