Environmental effect: refers to the corresponding changes in the structure and function of the environmental system caused by natural processes or human activities. Which of the following are not environmental effects? ['A large amount of industrial wastewater is discharged into rivers and lakes, causing serious harm to aquatic life.', 'The area along the beach along a province is "long" every year, and the species of animals and plants also change.', 'Fossil fuel is heavily used in a certain area, and the temperature in the area is significantly higher than that in the surrounding area.', 'A coastal city reclaims the island and builds a small town on the island that can accommodate 70,000 people.']