Indian renewable energy firm ReNew Energy Global Plc (<a href="https://www.nasdaq.com/market-activity/stocks/rnw" target="_blank">NASDAQ:RNW</a>) has inked a 437.6-MW green attribute sale contract with Microsoft Corp (<a href="https://www.nasdaq.com/market-activity/stocks/msft" target="_blank">NASDAQ:MSFT</a>) as part of the US technology giant’s ambition to become carbon-negative by 2030.