The heads of top US oil companies will answer accusations that their firms have spent years lying about the climate crisisThe heads of major oil companies will make a historic appearance before Congress on Thursday to answer accusations that their firms have spent years lying about the climate crisis.For the first time, the top executives from the US’s largest oil company, ExxonMobil, as well as Shell, Chevron and BP will be questioned under oath about the industry’s long campaign to discredit and deny the evidence that burning fossil fuels drove global heating. Continue reading...