SEATTLE — Amazon illegally retaliated against two of its most prominent internal critics when it fired them last year, the National Labor Relations Board has determined.The employees, Emily Cunningham and Maren Costa, had publicly pushed the company to reduce its impact on climate change and address concerns about its warehouse workers.The agency told Ms. Cunningham and Ms. Costa that it would accuse Amazon of unfair labor practices if the company did not settle the case, according to correspondence that Ms. Cunningham shared with The New York Times.“It’s a moral victory and really shows that we are on …
