The Agency for Toxic Substances and Disease Registry (ATSDR) Environmental Medicine and Health Systems Intervention Section seeks to maintain and strengthen the Pediatric Environmental Health Unit (PEHSU) program as a network of experts providing evidence-based scientific and medical information and consultative advice on health issues that arise from environmental exposures throughout the vulnerable stages of reproduction and pediatric development. Five interrelated strategies will be used to achieve the expected outcomes: (1) Education of healthcare professionals (2) Education of and outreach to communities (3) Consultations (4) Referrals (5) Partnerships. This notice of funding opportunity intends to build upon established PEHSU capabilities and to reaffirm and strengthen collaboration between ATSDR, the US Environmental Protection Agency (EPA), and the PEHSU National Program Office (NPO) recipient that will manage day-to-day operations of the national PEHSU network. The recipient will work collaboratively with each regional PEHSU to maintain and strengthen effectiveness of the PEHSU network, execute program strategies, and achieve desired outcomes.