Amazon is “done being in the middle of the herd,” when it comes to climate-focused company policies, CEO Jeff Bezos said Thursday.

The company is pledging to power its global infrastructure with 100% renewable energy by 2030 and to be carbon-neutral by 2040. To help get there, it plans to buy 100,000 electric delivery vans from Michigan-based company Rivian, in which Amazon previously invested.

“It’s a difficult challenge for us because we have deep large physical infrastructure. We’re not only moving information around … we deliver more than 10 billion items a year,” Bezos told reporters Thursday. “And so we can make the argument — and we plan to do so passionately — that if we can do this, anyone can do this.”

Amazon’s announcement marks the most sweeping climate-related action from the company, one day before more than 1,500 Seattle-based workers planned a walkout to draw attention to their criticisms of the company’s climate policies. Amazon has lagged behind many other companies — including tech giants like Facebook and Google — in reaching the goal of 100% renewable energy and sharing data about their emissions.

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