Bees and other insects are crucial for our survival. Nature has always been essential for mankind. Let's take our food for example, without our main pollinators; bees, humming birds, butterflies, and other insects we would have lack variety of fruits, vegetables and wild flowers. Cross pollution helps at least 30% of the world's crops and 90 percent of our wild plants to thrive. For example there is much research behind the disappearance of many bees around the continent and scientist speculate this is because global warming, pesticides, and habitat loss.