There are different types of impact. One is anthropogenic impact, which is how humans are harming the environment. The other type of impact are the positive actions that many people are taking to raise awareness and protect the environment. Learn more about both two of them while studying the main species of Cetaceans that are found swimming around the Mediterranean Sea: 

The 8 species of cetaceans that live in the Mediterranean Sea year-round will explain impacts that are threatening them and look at stories of positive impacts of members of the community that are trying to make a difference, each in their own way: