The world's power grids, 50 million miles' worth, need a major overhaul

Workers erect a steel tower at the 220kV line project in Jiangsu Province, China, on October 16th, 2023. | Photo by Costfoto / NurPhoto via Getty Images Governments and utilities need to add or replace the equivalent of virtually all the world's power grids by 2040 to reliably keep the lights on while cleaning up pollution from the power sector. That's 80 million kilometers (nearly 50 million miles) of infrastructure that needs a major upgrade, according to a first-of-its-kind report released by...