Complete the text using the words and phrased below.

reducing                  pollution             living things               noise          drought floods                 explore                      behavior            climate change            natural disasters

The natural world is beautiful and is shared by all 【小题1】 , humans, animals and plants. We can 【小题2】 nature but we must not harm it. Human 【小题3】 causes environmental problems such as water 【小题4】 , air pollution, 【小题5】 pollution and 【小题6】. Some 【小题7】 are due to human activities such as 【小题8】, 【小题9】 and landslide. We must do our best to protect nature including 【小题10】 , reusing and recycling waste. If we work together, we can protect nature for future generations.