The most comprehensive cross-agency collection of EISs
✓ Quickly search one place to retrieve documents from 20+ agencies
(including EPA, FERC, BLM, FS, etc.)
✓ Collected data from agency APIs to ingest all available metadata and PDFs for each EIS.
✓ Curation of records and PDFs not available from EPA.
Only source with full-text search of PDFs
✓ Search full text of EIS documents that are hundreds of pages long within seconds rather than hours.
✓ Find more relevant results than on sites like EPA, which is searchable only by title or basic metadata.
✓ Tailor searches to specific research needs (e.g., similar actions, their alternatives, mitigation, and more).
✓ Converted all available PDFs to machine-readable text and data.
Linked all stages of EIS process (NOI throughw ROD)
✓ Retrieve and display all results related to a single process in one search, even when the title has changed.
✓ Analyze project timeline data and other patterns and trends related to project management and workflows.
✓ Used natural language processing (NLP) and manual verification to identify related document titles.
✓ Configured user interface (UI) to display related EIS records as a chronological group.
Enhanced project metadata
✓ Easily retrieve and analyze more relevant documents by narrowing searches to specific action types or decision types.
✓ Trained machine learning models to extract and generate new metadata for each document on 11 action types and 5 decision types.
Enhanced geographical metadata
✓ Use searchable map or geographical filter menu to narrow results (e.g., to a single county, or a group of neighboring counties or states).
✓ Trained machine learning model to extract state- and county-level location data from titles, basic metadata, and full-text documents.
✓ Automatically linked location data to map coordinates to populate searchable map interface.
NEPAccess uses the tools of data science and AI to improve the efficiency, transparency, and accountability of environmental decision-making.
At NEPAccess.org, we created a knowledge, discovery and engagement platform for finding and analyzing decades of applied science and public participation in the NEPA process with seed funding from the NSF RIDIR program (1831551). The beta platform (2021-2024) enabled search, download, and analysis of environmental impact statements (EISs) and other documents created under the US National Environmental Policy Act of 1969 (NEPA), all in one place.
The project is led by a transdisciplinary team of University of Arizona researchers.