 The technology requires immense amounts of energy. And as Google continues to work on AI, it says it will need more and more power. Other companies putting AI into their products, like Microsoft, have also seen an increase in their greenhouse gas emissions. Dara Kerr, NPR News. About 120 million people are under some kind of heat caution today in the U.S. Heat advisories and excessive heat warnings persist in the central and eastern U.S., from Texas to Ohio.