Essential questions
What is air?
Why all the fuss about carbon dioxide?
What would happen if the gases in our atmosphere got out of balance?
What is the greenhouse effect, and what are greenhouse gases?
How are the greenhouse gases contributing to changing global temperatures?
How are human activities influencing climate change?
What actions can we take to address climate concerns?
How can I tell whether our local air is polluted?
What actions can I take when our air is unsafe?
What can I do to reduce my contribution to air pollution?