Living in Our Ocean of Air

Challenge 2: Why are greenhouse gases a problem?

Carbon dioxide traps thermal energy leading to global warming.  Aerosols block sunlight leading to cooling.

What did Dr. Keeling discover?  Scripps Institution of Oceanography

What is the carbon cycle?  Use the links at the  NASA Earth Observatory

What role does the ocean play in carbon dioxide cycling?  NASA

What are some possible impacts of global warming?  National Geographic Society

What is the effect of aerosols on warming caused by carbon dioxide?  NASA

Has Earth's climate changed in the past?  Climate History

Everything you need to know about Earth's climate past.  NOAA

Tutorials

Climate Change EPA

Carbon Cycle Game

Challenge

Elements on the Move Carbon Cycle

Return to Task 5