関連ワード:
what are some positive ways humans impact the environment what are some negative ways humans impact the environment what are some ways humans impact the environment positively and negatively what are some positive and negative ways humans can impact the environment what are some ways humans impact the environment both positively and negatively what are some ways that humans positively affect the environment what are some ways that humans can have a positive impact on the environment how do humans impact the environment in a positive way
