Students learn that people sometimes change the natural world in ways that are harmful to other living things and their environments. They also discover that there are simple, effective things we can all do to protect wildlife and natural lands. Communicate solutions reduce the impact of humans on the land, water, air, and/or other living things in the local environment. Students learn that people can harm plants, animals, and other living things by damaging or destroying natural lands. They also discover that people can work together to protect wildlife and preserve their habitats. Students begin to wonder if local environments have been damaged or destroyed and what might have happened to the creatures that lived in those places.