PHE is an innovative environmental, planning, and technology consulting firm. Our engineers, scientists, and planners are engaged in complex programs and projects solving today’s most pressing environmental, climate change, energy, and national security challenges. In our 30 year history, we have earned a reputation as a provider of responsive, cost effective, and high quality services to federal and private sector clients. PHE leverages staff expertise, a broad network of industry and government partners, and value-adding information technology to consistently produce exceptional results in the following service areas: • Environmental Analysis, Communication, and Documentation; • Environmental Compliance, Management, and Sustainability; and • Site Evaluation, Characterization, and Planning.