City, State, Federal and non-government agencies are at Pearlridge from 10 a.m. to 2 p.m. today for the inaugural Ready 2 React emergency preparedness event.   The event will bring disaster and emergency preparedness experts together to help residents ready themselves for any emergency or disaster that may affect Hawaii. Mayor Kirk Caldwell says it will be an opportunity to speak directly with key emergency management stakeholders and learn tips to keep their families safe. There will also be displays in Pearlridge's Uptown and Downtown buildings.