As you may have read in the news or experienced while looking for government data and websites, recent federal government mandates have led to online information removal.

A 2/5/25 screenshot of the Youth Risk Behavior Surveillance System website that includes the message, “CDC’s website is being modified to comply with President Trump’s Executive Orders.”
Several sources have worked to preserve deleted information:
General
End-of-Term Project
This project has been in existence since the 2008 administration change.
GovDiff.com
A tool to compare government websites before and after January 20, 2025.
Climate
Climate and Economic Justice Screening Tool (Council on Environmental Quality, Executive Office of the President, copy)
Environmental Justice Index (CDC, 2022 and 2024 data) – Does not work on the VPN
Environmental Justice Scorecard (EPA, copy)
Sea level data (NOAA)
Health
Social Vulnerability Index (CDC, 2022 data) – Does not work on the VPN
Youth Risk Behavior Surveillance System (YRBSS) National Datasets, (CDC, 1991-2021 data)
Office of Research on Women’s Health website (NIH, copy)
Additional CDC and NIH data
CDC data is also available for a fee through PolicyMap
The Healthy Regions & Policies (HeRoP) Lab at the University of Illinois is saving datasets from the CDC, EPA, Health Resources and Services Administration (HRSA), and more relating to social and structural determinants of health.
Harvard Law School Library’s Innovation Lab is working on a vault for government data, which should be made available soon.
Read more from 404 Media, The Journalist’s Resource, and Stat News. And follow the International Association for Social Science Information Service and Technology’s (IASSIST) Google Doc for a constantly updated list of resources.