Fortune.com: Walmart convenes startups and corporates to work on a dirty problem: decarbonizing its truck and home delivery fleets

Two years ago Walmart said it was aiming to reduce its carbon emissions to zero by 2040—and, as the world’s largest company—it’s working with an entire cohort of partners, ranging from tiny startups to large corporates to make it happen.

The company has been tackling its emissions from a series of angles, such as with its last-mile delivery efforts with venture-backed drone company startups like Zipline or DroneUp, driverless deliveries with Gatik, or via the electric robots you might spot roaming a sidewalk in Bentonville, through Serve Robotics. (A Walmart spokeswoman confirmed the retailer was doing “small scale work” with Serve Robotics and said that Walmart is “constantly testing new and up and coming technology to identify solutions that best meet our customers’ needs.”)

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