House Democrats have begun questioning the executives of some of the world’s biggest oil and gas companies — Exxon Mobil, Chevron, BP and Shell — over allegations that the companies for years spread disinformation about the role played by fossil fuels in global warming in order to slow action on climate change.“This is a historic hearing. For the first time, top fossil fuel executives are testifying before Congress under oath about the industry’s role in causing climate change and their efforts to cover it up,” said Representative Carolyn B. Maloney, the chairwoman of the committee. “We can prevent a climate disaster while keeping en …
