This lesson introduces carbon emissions and the idea of carbon and ecological footprints to students. 

Step 1 - Inquire: Students reflect on what they know about photosynthesis and how plants transform carbon dioxide into oxygen. 

Step 2 - Investigate: Students learn about the greenhouse effect and calculate their ecological footprint. 

Step 3 - Inspire: Students generate ideas on how to reduce their carbon footprint and impact on the environment.