New Delhi, Jan. 15 -- Microsoft has signed an agreement with Indigo Carbon to purchase a record 2.85 million soil carbon credits, which are related to regenerative agriculture in the United States. The move comes at a time when the Satya Nadella-led company aims to become "carbon negative" by 2030 despite its emissions surge due to AI.

The deal is expected to be valued between $171 million and $228 million, according to a report by Reuters - which quoted a person familiar with the deal saying that it falls within the historic range of $60 to $80 a ton for Indigo Carbon's credits.

Microsoft has not released any financial details about the deal.

Regenerative farming covers a range of actions such as reducing tilling, using cover crops an...