As opposition to water-hungry data centres grows in the US, tech giants say new cooling systems can curb demand – but using less water may require more electricity.

Data centers are running into a wall of public anger in the United States over their thirst for water and power.

Data centers are running into a wall of public anger in the United States over their thirst for water and power. "There are incentives," Ren said, but they have more to do with…