Tory peer John Gummer, chair of the government’s official climate advisors, was this week cleared of accusations of misconduct by a House of Lords independent watchdog. Steve Schlotterbeck, who led drilling company EQT as it expanded to become the nation’s largest producer of natural gas in 2017, arrived at a petrochemical industry conference in Pittsburgh Friday morning with a blunt message about shale gas drilling and fracking. “The shale gas revolution has frankly been an unmitigated disaster for any buy-and-hold investor in the shale gas industry with very few limited exceptions,” Schlotterbeck, who left the helm of EQT last year, continued.