Amazon's greenhouses emissions worse than rivals, but better than Walmart's

Amazon for years has frustrated climate advocates by refusing to participate in increasingly common corporate social responsibility and environmental disclosures

Amazon.com Inc. contributed more greenhouse gas emissions last year than some big competitors in retail, logistics and technology, but less than rival Walmart Inc. and the world’s biggest energy companies, highlighting the growing scale and diverse businesses of the conglomerate.

The disclosure by Amazon of its 2018 carbon emissions, 44.4 million metric tons of carbon dioxide equivalent, including purchased electricity and indirect emissions, came Thursday when the company committed to powering all of its business operations by renewable energy sources by 2030, and achieving carbon neutrality a decade later.

Amazon’s emissions exceed the reported totals of United Parcel Service Inc.