The list of scientists, academics, politicians, activists and others who are calling for action on climate change continues to grow. Yet, there is still one small, but vocal, group who deny the man-made phenomenon exists.

Despite overwhelming scientific evidence that shows climate change caused by humans is real, this group continues to call it a hoax, a conspiracy theory.

In this week's Reality Check, Mehdi Hasan calls out the climate change deniers and points to the damage caused by pretending the issue doesn't exist.

Watch UpFront on Al Jazeera English on Fridays at 1930GMT.

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Source: Al Jazeera