Toggle navigation
Meteorology
Course Map
17 of 17
1: Title
2: Essential Questions
3: Greenhouse Gases and Climate
4: Atmospheric Carbon Dioxide Levels
5: Where Does Carbon Dioxide Come From?
6: Natural Sources of CO
2
7: Seasonal Changes in Carbon Dioxide
8: The Role of Plants
9: A Year in the Life of Earth’s CO
2
10: Evaluate Your Learning
11: Anthropogenic Sources of CO
2
12: Keeling’s Curve: The Story of CO
2
13: What Do You Think?
14: Beyond Mauna Loa
15: Isotopic Fingerprinting of Greenhouse Gases
16: What Do You Think?
17: Key Points: Greenhouse Gases
Prev
Next
Key Points: Greenhouse Gases
Carbon dioxide varies seasonally due to photosynthesis and decay of plants.
Carbon dioxide, emitted from the burning of fossil fuels, is steadily increasing in Earth’s atmosphere.