The company on Friday fired two user experience designers, Maren Costa and Emily Cunningham, for what it called repeated violations of internal policies, without specifying which ones.The two workers, who gained prominence for pushing the company to do more on climate change, had recently made public statements questioning Amazon’s pandemic safety measures and pledging to match donations of up to $500 to support staff at risk of getting the virus.

The e-commerce giant also said it dismissed Bashir Mohamed, a warehouse worker in Minnesota, for inappropriate language and behavior. Mohamed told Reuters he had been warning colleagues about the virus and calling on management to increase cleaning; Amazon has been “tripling down on deep cleaning,” it has said in recent statements.…