Google’s CEO Sundar Pichai stood smiling in a leafy-green California garden in September 2020 and declared that the IT behemoth was entering the “most ambitious decade yet” in its climate action.“Today, I’m proud to announce that we intend to be the first major company to operate carbon free — 24 hours a day, seven days a week, 365 days a year,” he said, in a video announcement.Pichai added that he knew the “road ahead would not be easy,” but Google “aimed to prove that a carbon-free future is b...