Answer the following questions in 200 words or more. 

1. Explain the enhancement of fire and tools usage in subsequent human cultural evolution. 

2. Find data on the human population from 1950s until the recent years on the internet, and illustrate its effect on the environment/whole earth. 

3. What have been the main stages in the development of ideas about the human impact on the environment? 

4. How have human population levels changed over the last few millions of years? 

5. To what extent did early humans change their environment? 

6. What have been the main changes in the environment wrought by humans over the last 300 years? 

7. What do you think is meant by the term Earth System Science? 

8. Make a photo-story of the place you knew before that has a great changes as of now. Discuss it through a recorded video on how this place changes and what is/are the impact of these changes into the environment.