Government Executive Get the latest on need-to-know topics for federal employees delivered to your inbox. email President also calls on agencies to overhaul their vehicle fleet. Senior Correspondent President Biden signed a measure on Wednesday that seeks to ensure career federal employees can conduct scientific work without interference. It was one of a series of directives for federal agencies aimed at protecting the quality of research and boosting climate resiliency. Biden signed the Presidential Memorandum on Scientific Integrity and Evidence-Based Policymaking, which will task each agency with designating a senior career employee as its scientific integrity officer. That person will oversee and improve policies that shield employees from political interference and that ensure relevant programs follow science-based approaches. A task force will review the scientific integrity policies at every agency.