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)

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.

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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