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The Science of Climate Change It’s real, it’s our fault, it’s our responsibility to stop it. Slides by Robin Harvey, Dr. Alex Bradley (WUSTL) and Dr. Katharine.

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Presentation on theme: "The Science of Climate Change It’s real, it’s our fault, it’s our responsibility to stop it. Slides by Robin Harvey, Dr. Alex Bradley (WUSTL) and Dr. Katharine."— Presentation transcript:

1 The Science of Climate Change It’s real, it’s our fault, it’s our responsibility to stop it. Slides by Robin Harvey, Dr. Alex Bradley (WUSTL) and Dr. Katharine Hayhoe (Texas Tech) A lesson in what to say to deniers

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3 Why? Greenhouse effect! It’s not new, but it’s different; more CO2! – It keeps Earth habitable (-18C vs 15C) The strongest greenhouse gas is water vapor, but CO2 is more important because of its longer residence time (years v days) So, there’s more CO2 in the atmosphere, but…

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8 How do we determine if the CO2 is from biomass or fossil fuels, then?

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11 Other things to mention: Feedbacks (things will get worse) – Albedo, permafrost “It’s just a theory” Weather v. climate Affects our region’s health & business Those responsible v. those affected: it’s a moral imperative

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