Is it true that 97% of climate scientists agree that climate change is real? Where does the 97% figure come from? And if it is true, do they agree on both the severity of and the solution to climate change? New York Times bestselling author Alex Epstein, founder of the Center for Industrial Progress, reveals the origins of the "97%" figure and explains how to think more clearly about climate change.
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“97 percent of climate scientists agree that climate change is real.”
How many times have you heard that statement? Probably hundreds. It may seem like a compelling and scientific argument against fossil fuels, but it’s one of the most illogical, unscientific arguments you can make. To see how, let’s use this form of argument for another controversial product, vaccines.
An anti-vaccine person approaches you and says, “97 percent of doctors say that the side effects of vaccines are real?”
What would you say in response?
You’d probably say, “Yeah but the benefits far outweigh the side effects.”
By saying that “97% of doctors agree that vaccine side effects are real” without mentioning any of the benefits of vaccines, the anti-vaccine activist is trying to get you to look at the potential dangers of vaccines out of context.
When fossil fuel opponents say “97 percent of climate scientists agree that climate change is real,” they are doing the same. Yes, using fossil fuels for energy has a side effect—increasing the amount of CO2 in the atmosphere. Okay. But what about the upside? In the case of fossil fuel that upside is enormous: the cheap, plentiful, and reliable energy that makes modern life possible, and at a scale no other energy source can match.
So, how significant is the side effect? This raises another problem with the statement “97% percent of climate scientists agree that climate change is real.” It tells us nothing about the meaning or magnitude of “climate change”—whether it’s a mild, manageable warming or a runaway, catastrophic warming. This is an example of the fallacy of equivocation—using the same term in different, contradictory ways.
If someone were to say “97% of doctors agree that vaccine side effects are real,” what exact “vaccine side effects” do the doctors agree on? That a certain number of babies will get a rash? Or that large percentages will get full-blown autism? Precision is key, right?
But fossil fuel opponents don’t want you to know the precise magnitude of climate change. Because if you did you wouldn’t be scared of climate change, you would be scared of losing the benefits of fossil fuels.
For example, listen to how Secretary of State John Kerry manipulates the “97 percent of scientists” line. “97 percent of climate scientists have confirmed that climate change is happening and that human activity is responsible,” he said in a speech in Indonesia in 2014. Later, in the same speech, he claimed that Scientists agree that, “The world as we know it will change—and it will change dramatically for the worse.” 97 percent of climate scientists never said any such thing.
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