1. Where does the CO2 come from? Volcanoes Wildfires Car and Equipment Exhaust Plant Respiration Power Plants Cement Production Animal/Human Respiration Decay of Living Things Deforestation Breakdown of Rocks/Minerals

2. Carbon Footprint A carbon footprint is a measure of how much CO2 one organization, person, or product produces – directly or indirectly – in a certain amount of time (usually a year).

3. Carbon Offsets Carbon offsetting is the mitigation of carbon footprints. It is a way of compensation for CO2 emissions. Offsetting projects include planting trees or the development of alternate energy projects, such as wind and solar power.

4. Carbon sequestration Carbon sequestration is the process by which CO2 is taken from the atmosphere and is stored as carbon. Carbon can be stored by: Biological processes Marine/water processes Soil processes Geologic processes

5. Carbon sinks A carbon sink occurs when the carbon sequestration is greater than the carbon release over a time period. Forests Cropland Soils Geologic formations containing CaCO3 Oceans/Bodies of water