Biggest US coal company funded dozens of groups questioning climate change

Peabody coal company

Analysis of Peabody Energy court documents show company backed trade groups, lobbyists and thinktanks dubbed ‘heart and soul of climate denial’

Oil company records from 1960s reveal patents to reduce CO2 emissions in cars

ExxonMobil and others pursued research into technologies, yet blocked government efforts to fight climate change for more than 50 years, findings show