Attorneys and environmental activists have been trying for years to prove that Exxon Mobil Corp. and other fossil fuel companies knew about—and covered up—the fact that their products cause climate change. Now, it appears that members of Congress are joining the effort.On this episode of Parts Per Billion, our weekly environmental podcast, Bloomberg Law reporter Jennifer Hijazi talks about the documents top Democrats in Congress are demanding from the fossil fuel industry ahead of an important hearing next month and about where this all could eventually lead.Have feedback on this episode of Parts Per Billion? Give us a call and leave a voicemail at 703-341-3690. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.