What Exxon knew about the Earth's melting Arctic Oct. 9, 2015 http://graphics.latimes.com/exxon-arctic/ [with comments] How Exxon went from leader to skeptic on climate change research Oct. 23, 2015 http://graphics.latimes.com/exxon-research/ [with comments] Big Oil braced for global warming while it fought regulations Dec. 31, 2015 http://graphics.latimes.com/oil-operations/ [with comments]