1. Which food has the highest carbon footprint? 

2. Which greenhouse gas is the most potent at trapping heat in the atmosphere?  

3. What's the largest source of nitrous oxide?

4. Which diet is most correlated with a longer lifespan?

5. Which diet contributes the least to climate change?

6. A standard steak dinner with sides is roughly equivalent to driving how many miles in terms of greenhouse gas emissions?

7. How much does nitrogen pollution cost the United States each year?

8. What contributes the most to climate change?

9. If everyone switched to a Mediterranean diet, it would be like...

10. What can we do to fight climate change through our food system?

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