Take a Cool Guess—The Fun Quiz on Renewable Energy and Environmental Sustainability. Today’s Topic: Is CO2 a Lever in Climate Change?

Question: Why is Venus, though farther from the sun than Mercury, much hotter?

Answer: Can be found at Clean Energy Answers.

Relevance: As shown here, heavily funded (funded by whom?) climate deniers are inventing dozens (hundreds?) of ways to convince us that climate change is a hoax.