They knew.
Scientists and executives at fossil fuel companies knew more than 50 years ago that burning fossil fuels would raise global temperatures and could lead to "catastrophic" consequences.
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They lied.
After deciding to prioritize industry profits over public health and safety, climate polluters deliberately sowed doubt to undermine scientific evidence.
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They are still lying.
As climate change becomes undeniable, Big Oil has shifted from denial to duplicity by falsely claiming to be part of the solution.
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