sentences:  Other agreements were made with oilfield services companies Baker Hughes and Schlumberger, and Anadarko Petroleum, to use "artificial intelligence to analyse large volumes of seismic and operational data to find oil, maximise output and increase efficiency," and negotiations were started with petroleum giant Saudi Aramco.In 2019, Google was criticised for sponsoring a conference that included a session promoting climate change denial.LibertyCon speaker Caleb Rossiter belongs to the CO2 Coalition, a nonprofit that advocates for more carbon dioxide in the atmosphere.