Portland Science and Environment

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• City of Portland Forestry Division  - Outlines the forestry related service provided to residents of the city, including details about its staff and programs, and the history of the department.
• Gulf of Maine Research Institute  - Strategic marine research and education institution, charged with engaging the public in discussion and debate, for the purpose of resolving aquatic resource conflicts, conducting research in the gulf and its watershed, and to educate residents and visitors about Maine's fresh and saltwater resources.
• Portland Flower Show  - Details a schedule of events, location, lectures, and exhibitions, as well as information for vendors.
• Portland Trails  - A non-profit urban land trust dedicated to building a network of multi-use trails in the greater Portland, Maine region. Features its trails and maps, programs, events, and opportunities to get involved.
• Portland Water District  - Presents data on environment and health, educational resources, infrastructure, and development.