How Do We Know That Humans Are Causing Climate Change? These Nine Lines of Evidence

28 Mar 2017   Climate, USA

While most Americans acknowledge that climate change is happening, some are still unsure about the causes. They are often labeled “climate skeptics,” but that label can cause confusion or even anger. Isn’t the nature of science to be skeptical? Isn’t it good to question everything? Yes, but — Here’s what is getting lost in the conversation: Scientists have been asking these questions for nearly 200 years . The scientific community has been studying these questions for so long that collectively they have amassed an overwhelming amount of evidence pointing to a clear conclusion. A similar situation is smoking and cancer. Nowadays, no one questions the link between smoking and cancer, because the science was settled in the 1960s after more than 50 years of research. The questions have been asked and answered with indisputable evidence. We can think of the state of human activities and climate change as no […]

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