Question 1: What kinds are crops originated in dry lands? Why are these kinds of crops important for humans?
Question 2: When it comes to clearing new land for agriculture -- through deforestation. Why is this not sustainable in the long run?
Question 3: What are some ways/types of land restoration?
Question 4: What are 3 main things that stand in the way of restoration -- of these 3, which one do you believe is easiest to overcome, and why? Which one is most difficult to overcome, and why?