Give an example of how humans can affect the environment and how the environment can affect people

Humans can effect the environment from pollution and global warming, environment can effect people by natural disasters

humans can affect the environment in negative ways like pollution and in positive ways such as re-forestation. the environment can affect humans in both negative and positive ways. a positive way is our environment keeps us alive however a bad way id destruction by storms.

i'm sure the answer you are looking for would be

a. an ice age

hope this contact me if this didn't or you need with more answers : )