Amazon reported its first decrease in greenhouse gas emissions since the company introduced its climate pledge in 2019 to reduce carbon outputs.

In a sustainability report released July 18, the organization said that its carbon emissions fell by 0.4% from 71.54 million metric tons in 2021 to 71.27 million metric tons in 2022, according to The Seattle Times. Between 2019 and 2021, Amazon’s carbon emissions grew by more than 20 million metric tons.

In a statement, Kara Hurst, Amazon’s vice president of Worldwide Sustainability, said the organization has begun analyzing different delivery routes to get packages to customers in shorter amounts of time, which would help the company cut its carbon emissions. She added that Amazon is also planning to roll out 100,000 Rivian electric delivery vehicles by 2030 with thousands already on the road.

“We recognize that sustainability does not have an expiration date, and there will always be more to do. But today, we are taking on some of the hardest problems in the world to solve, with a long-term view, which involves no shortcuts or quick fixes,” Hurst wrote in Amazon’s 2022 Sustainability Report. “We remain confident in our approach. You might not see all of the large-scale changes that we are making reflected imminently; our company thinks in the long term. We are working tirelessly to deliver on our sustainability commitments with the impact and scale our customers have come to expect from us, while bringing entire industries along with us and transforming how we work on planet Earth.”

In 2019, Amazon announced its climate pledge commitment to achieve net-zero carbon emissions by 2040 through the regular reporting of greenhouse gas emissions, decarbonization strategies that align with the Paris Agreement and credible offsets to neutralize any remaining emissions.