Guardian: The oil giant Chevron is trying to force a filmmaker to hand over hundreds of hours of documentary footage about pollution in the Amazon in the latest twist in a multibillion dollar lawsuit. The company wants to view unused material from the award-winning documentary Crude, about an environmental catastrophe in Ecuador’s oil-producing Amazon region, to bolster its defence in one of the biggest lawsuits in history. The 105-minute film sympathises with alleged victims of oil …