1. Student responses to the Environmental Trends and Hypotheses student activity can be evaluated for student understanding.

2. Paragraphs from the video (slide 31) can be evaluated for content, analysis and understanding.

3. Student responses to the Climate Indicators for Michigan student activity can be evaluated for student understanding.

4. Have students choose one of the graphs and write an essay to include a description of the trend shown, a direct cause, and possible effects of the trend.