The greenhouse effect and the ozone hole

At the end of this activity, students should be able to:
– describe how human activities cause global changes in the natural environment
– describe the dependency of humans on environmental resources and factors
– explain the necessity of taking into account the effects of human activities on the natural environment in macroeconomic plans and calculations
– describe the necessity to minimize the adverse effects of humans on the natural environment
– explain the difficulties in assessing the proportional effects of human activities and natural processes on the natural environment.