(Bloomberg) -- Microsoft Corp. and Brookfield Asset Management’s green energy arm signed the biggest corporate clean-energy purchase agreement ever announced, as the technology giant ramps up its investment in artificial intelligence.Most Read from BloombergTesla Axes Supercharger Team in Blow to Broader EV MarketNYPD Arrests Over 300 Protesters in Crackdown on College CampusesFed to Signal Delay of Interest-Rate CutsThe Ozempic Effect: How a Weight Loss Wonder Drug Gobbled Up an Entire EconomyL