NEW YORK (CBSNEWS.COM) – A trial kicked off on Tuesday to establish whether Exxon Mobil, the country’s largest fossil fuel company, lied to investors about the cost of carbon emissions to its business.

(credit: Eric Piermont/AFP/Getty Images)

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Irving-headquartered Exxon, long in environmentalists’ crosshairs for trying to cast public doubt on climate science, is accused of misleading investors about how climate change will affect its business.

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Starting in 2010, Exxon began telling the public that it had assigned a price to carbon internally to model how government regulation would affect its business. However, it used two sets of figures.

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