They are in charge of the reproduction of plants.

The problem of bees decline started in the 1990, when beekeepers around the world observed the mysterious and common death of bees, and report unussualy declines on honeybee colonies. They are more important that we think. In fact they are key for food production because they pollinate crops.

Polar bears are loosing their habitat due to the climate change (global warming). As a result, they are in the threatened species list in all the world. The survival and protection of the polar bears habitats have have become an urgent matter.

In Asia, people cut shark fins to make soup.

First, people catch the shark, then cut the fin, and then return it to the ocean. This process is called "finning". As the sharks need to move in order to eat, they die because they can't swim without fin. Approximately 23 to 72 million sharks are thrown into the sea without fin, and then they can't survive.