Question

How have humans affected their environment over time?

Answer 1

We have polluted it— the air, water and the ground.
Some people have tried to clean up the environment

Answer 2

Answer:

humans impact the physical environment in many different ways

Explanation:

over population, pollution, burning fossil fuels, and deforestation.  All these changes have triggered climate change, soil erosion, poor air quality, and undrinkable water.