At the headquarters of BYD Co. in Shenzhen, there’s a wall crammed floor to ceiling with about a thousand framed patents representing more than 30,000 innovations the electric-vehicle maker’s billionaire founder, Wang Chuanfu, and his army of engineers have devised. These patents, including the low-cost lithium-iron-phosphate battery now used by rivals like Ford, Tesla, and Toyota, are turning Wang’s company…

Google's greenhouse gas emissions in 2023 were 48% higher than in 2019, according to its latest environmental report. The tech giant attributes this surge to the increasing amounts of energy needed by its data centers, exacerbated by the explosive growth of artificial intelligence (AI). AI-powered services involve considerably more computer power—and so electricity—than standard online activity, prompting a series of…