Microsoft Expands Carbon Removal Deal With Stockholm Exergi

Microsoft Corp. expanded its deal to buy carbon removal credits from heat-plant operator Stockholm Exergi AB, increasing volumes first agreed last year by more than 50%.

The agreement will now include the capture and storage of 5.08 million tons of carbon dioxide over a 10-year period, up from 3.33 million previously, Stockholm Exergi said Tuesday in a statement. It’s the world’s largest such accord, the Swedish utility said.

Microsoft is one of the top global buyers of CO2 removal credits, using the certificates to offset its greenhouse gas emissions. Stockholm Exergi, which provides heat to the city of more ...