Data: Sightline Climate; Note: Includes 529 large data center projects announced since 2024 that have disclosed capacity; Chart: Kavya Beheraj/AxiosAs many as half of the world's data center projects slated to come online this year could face delays, according to a report issued Tuesday.Why it matters: It's a sign of mounting collisions in the AI race — from power constraints and grid equipment shortages to rising community opposition.The big picture: As tech giants sprint to build AI infrastruc...