Don't leave water running needlessly, like when brushing your teeth. Turn off electrical appliances, such as lights or TV, when you leave a room. Pull weeds instead of using chemicals to get rid of them. Water the garden and yard early in the morning or late in the evening when the sun is not too strong to dry up the water. Have your parents help you start a compost pile.
Some people think that animals like whales, eagles, and wolves are the only endangered species.
But the list of endangered and threatened species includes not only mammals and birds, but plants, fish, and even insects. Here are lists of endangered and threatened insects in the United States.