Top oil executives have appeared before US lawmakers to face allegations they misled the public about climate change, APA reports citing BBC.
Major producers were quizzed about the impact of the fossil fuels they profit from on their effects on the climate.
Democrat lawmakers described the hearings as "historic" and hope they will help shift public view like with the tobacco industry in the 1990s.
The hearings, involving firms like BP and Shell, come days before the start of the UN's COP26 climate conference.
President Joe Biden is set to fly to Glasgow for the meeting of world leaders - seen as a crucial moment in the global fight against climate change.
Thursday's hours-long hearing saw decades of political lobbying and public statements by America's biggest energy firms put under the spotlight.