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Jul 10, 2026 The Trump administration appointed Matthew Wielicki to lead the U.S. Global Change Research Program Tier 1 · Primary Power and Authority
The appointment put a climate skeptic over a key federal science program, raising concerns about politicized control of public expertise.
Supporting reports
- Trump appoints climate skeptic to lead US Global Change Research Program — The Trump administration has appointed Matthew Wielicki, a former geochemist and climate skeptic, to lead the US Global Change Research Program.
May 18, 2026 The Environmental Protection Agency proposed weakening federal drinking-water protections for several PFAS chemicals Tier 1 · Primary Power and Authority
The proposal reduced or delayed federal safeguards for drinking water, showing executive power reshaping public-health protections through deregulation.
Supporting reports
- EPA proposes weakening drinking-water protections for PFAS chemicals — The Environmental Protection Agency (EPA) announced a proposal to weaken federal drinking-water protections for PFAS "forever chemicals." The proposal maintains existing limits for PFOA and PFOS but extends compliance
- Trump EPA Proposes Rollback of PFAS Drinking Water Limits — On May 18, 2026, the Trump administration's EPA proposed two new rules affecting drinking water standards for PFAS chemicals.
May 9, 2026 President Trump pressured the FDA to approve fruit-flavored vapes and backed a plan to remove Commissioner Marty Makary Tier 1 · Primary Power and Authority
White House pressure on a health regulator tested whether expert agencies could act independently of electoral and personal political demands.
Supporting reports
- Trump Pressures FDA to Approve Fruit-Flavored Vapes — President Trump reportedly pressured FDA Commissioner Marty Makary to approve fruit-flavored vapes, which Makary had initially halted against agency scientists' recommendations.
- Trump Signs Off on Plan to Fire FDA Commissioner Marty Makary — President Donald Trump has reportedly approved a plan to dismiss Marty Makary, the commissioner of the US Food and Drug Administration (FDA), following a series of controversial decisions that have drawn criticism from
Apr 14, 2026 EPA Administrator Lee Zeldin spoke at a climate denial conference backed by anti-regulatory groups Tier 1 · Primary Power and Authority
The appearance signaled executive alignment with private networks seeking to weaken science-based regulation, affecting public accountability and policy integrity.
Supporting reports
- EPA Administrator Lee Zeldin Speaks at Climate Denial Conference — Lee Zeldin, the Administrator of the Environmental Protection Agency (EPA) under the Trump administration, delivered a keynote speech at a conference hosted by the Heartland Institute, a think tank known for denying
Mar 31, 2026 The Endangered Species Committee granted a national-security exemption for Gulf oil and gas activity from Endangered Species Act requirements Tier 1 · Primary Power and Authority
The exemption used emergency-style authority to waive environmental safeguards for a favored industry, broadening executive discretion over statutory limits.
Supporting reports
- Endangered Species Act Exemption for Gulf of Mexico Drilling — On March 31, 2026, the Endangered Species Committee, a U.S.
- Endangered Species Committee Exempts Gulf Oil Activities from ESA — The Endangered Species Committee, comprising multiple federal departments, granted an exemption for Gulf of America Oil and Gas Activities from the Endangered Species Act (ESA) requirements, citing national security.
Feb 10, 2026 The Trump administration and EPA Administrator Lee Zeldin rescinded the greenhouse-gas endangerment finding and moved to end EPA greenhouse-gas regulation Tier 1 · Primary Power and Authority
The rollback used executive authority to strip a core legal basis for climate regulation, reducing public-health protections and narrowing future accountability.
Supporting reports
- Trump administration to repeal Obama-era endangerment finding — The Trump administration, led by President Donald Trump and EPA Administrator Lee Zeldin, announced plans to repeal the 2009 Obama-era endangerment finding, which determined that CO2 and other greenhouse gases endanger
- Trump administration rescinds 2009 endangerment finding — The Trump administration, led by President Donald Trump and EPA Administrator Lee Zeldin, announced the rescission of the 2009 endangerment finding, which served as the legal basis for regulating greenhouse gas
- Trump’s EPA Repeals Endangerment Finding — The Trump administration's Environmental Protection Agency (EPA) has repealed the endangerment finding, a key scientific determination that allowed the government to regulate greenhouse gas emissions.
Jan 28, 2026 The EPA said it would stop counting some human health costs in air pollution rulemaking Tier 1 · Primary Power and Authority
The change shifted executive regulatory power toward industry cost concerns and away from public-health harms in federal rulemaking.
Supporting reports
- EPA Alters Cost-Benefit Analysis for Air Pollution Regulations — The EPA announced it would no longer consider the cost to human health from two common air pollutants when setting regulations, focusing instead on the cost to industry for compliance.
Nov 20, 2025 The Trump administration proposed rolling back Endangered Species Act regulations Corroborated Power and Authority
The proposal showed executive power being used to shift regulatory standards toward development interests, reducing constraints on private economic activity.
Supporting reports
- Trump administration proposes rollback of Endangered Species Act regulations — The Trump administration has unveiled a plan to roll back regulations under the Endangered Species Act (ESA).
Sep 17, 2025 The EPA proposed rescinding the endangerment finding for greenhouse gases Corroborated Power and Authority
The proposal threatened the legal basis for federal climate regulation, shifting executive power away from established public-health and environmental controls.
Supporting reports
- EPA proposes rescinding the endangerment finding — The Environmental Protection Agency (EPA) proposed rescinding the endangerment finding, a 2009 scientific determination that greenhouse gases endanger human health.
Jul 29, 2025 EPA Administrator Lee Zeldin announced the administration would revoke the greenhouse gas endangerment finding Tier 1 · Primary Power and Authority
The move sought to remove a key legal basis for federal climate regulation and expand executive discretion over environmental enforcement.
Supporting reports
- EPA Revokes Greenhouse Gas Endangerment Finding — EPA head Lee Zeldin announced the Trump administration's decision to revoke the 2009 "endangerment finding," which declared that greenhouse gas emissions threaten public health.
- Environmental Protection Agency proposes rule to rescind endangerment finding — The Environmental Protection Agency proposed a new rule to eliminate the 2009 endangerment finding that established the dangers of greenhouse gas emissions.
Jul 23, 2025 President Trump issued executive orders to expand AI exports, speed data center permitting, and restrict federal use of so-called woke AI Tier 1 · Primary Power and Authority
The orders combined deregulation, procurement control, and ideological standards, expanding executive influence over infrastructure, information systems, and federal technology policy.
Supporting reports
- Trump administration unveils plan to fast-track AI sector — The Trump administration has announced a plan to accelerate the development of the artificial intelligence sector by dismantling certain environmental and land-use regulations.
- Executive Order on Promoting the Export of the American AI Technology Stack — On July 23, 2025, President Donald Trump issued an executive order to promote the export of American AI technology.
- Executive Order to Accelerate Federal Permitting of Data Center Infrastructure — On July 23, 2025, President Donald Trump issued an executive order aimed at accelerating the federal permitting process for data center infrastructure.
Jun 29, 2025 HHS Secretary Robert F. Kennedy Jr. assumed direct control over the CDC without a confirmed director Corroborated Power and Authority
The arrangement concentrated control over a major public health agency in a political appointee and weakened normal leadership safeguards.
Supporting reports
- RFK Jr assumes control over CDC in absence of a director — Robert F.
Jun 24, 2025 Robert F. Kennedy Jr. replaced CDC vaccine advisers with new appointees critical of established vaccine policy Tier 1 · Primary Power and Authority
Replacing expert advisers with ideologically aligned appointees shifted executive control over health guidance and weakened confidence in independent expertise.
Supporting reports
- RFK Jr replaces CDC vaccine advisers with misinformation spreaders — Robert F Kennedy Jr, the US Health Secretary, replaced the fired CDC vaccine advisory committee members with eight new appointees known for spreading vaccine misinformation.
- Health Secretary Unilaterally Appoints New ACIP Members — The U.S.
- Health Secretary Robert F Kennedy Jr. fires and replaces vaccine advisory panel — Health Secretary Robert F Kennedy Jr.
Jun 10, 2025 HHS Secretary Robert F. Kennedy Jr. dismissed all 17 members of the CDC vaccine advisory committee Corroborated Power and Authority
Removing the full expert panel concentrated control over public health advice in political appointees and weakened independent expertise.
Supporting reports
- Secretary of Health and Human Services Dismisses Vaccine Advisory Committee — Secretary of Health and Human Services Robert F.
Jun 9, 2025 EPA drafted and announced plans to roll back power plant pollution limits Tier 1 · Primary Power and Authority
The rollback shifted regulatory power toward industry and away from public health and environmental protections.
Supporting reports
- Trump EPA plans to remove power plant emissions restrictions — The Trump administration's Environmental Protection Agency (EPA) has reportedly drafted a plan to eliminate all restrictions on greenhouse gas emissions from coal and gas-fired power plants in the United States.
- Trump’s EPA announces rollbacks to power plant pollution limits — The Trump administration's Environmental Protection Agency (EPA) announced a plan to roll back regulations on power plant emissions.
May 6, 2025 The Trump administration announced cuts to EPA staff and budget and dissolved science functions Tier 1 · Primary Power and Authority
The restructuring concentrated executive control over environmental policy while weakening independent scientific capacity inside a major regulator.
Supporting reports
- EPA dissolves its office of science and technology — The Environmental Protection Agency announced the dissolution of its office of science and technology, which was responsible for developing scientific research and guidelines for water policy.
- Trump administration announces cuts to EPA staff and budget — The Trump administration, through EPA Administrator Lee Zeldin, announced a significant reduction in the Environmental Protection Agency's staff and budget, cutting it to levels reminiscent of the 1980s.
Apr 8, 2025 President Trump signed four executive orders to revive coal production and challenge state anti-coal policies Tier 1 · Primary Power and Authority
The orders used presidential authority to favor one industry, weaken state policy autonomy, and redirect federal energy priorities.
Supporting reports
- Trump signs executive orders to support coal industry — On April 8, 2025, President Donald Trump signed four executive orders aimed at reviving the coal industry.
- Executive Order on U.S. Electric Grid Security — On April 8, 2025, President Donald Trump issued an executive order aimed at strengthening the reliability and security of the United States electric grid.
- Executive Order to Reinvigorate America's Clean Coal Industry — On April 8, 2025, President Donald Trump issued an executive order aimed at revitalizing the U.S.
Mar 31, 2025 The Trump administration planned to eliminate 1,155 scientists from the EPA's research office and terminated $14 billion in climate grants Corroborated Power and Authority
The moves used executive control over staffing and grants to weaken scientific capacity and redirect a major regulatory agency's mission.
Supporting reports
- Plan to eliminate 1,155 scientists from the EPA's office of research and development — The Trump administration has announced plans to eliminate 1,155 positions, including chemists, biologists, and toxicologists, from the EPA's office of research and development.
- Termination of $14bn in Biden-initiated grants to climate groups by EPA — The EPA, under the leadership of administrator Lee Zeldin, has terminated $14 billion in grants that were initiated during the Biden administration to support three climate groups.
Mar 15, 2025 EPA Administrator Lee Zeldin announced plans to roll back 31 pollution regulations Corroborated Power and Authority
The rollback showed executive use of regulatory power to weaken public-health and environmental safeguards with broad downstream effects.
Supporting reports
- EPA chief proposes rollback of environmental regulations — EPA chief Lee Zeldin announced plans to roll back 31 key environmental regulations, prompting alarm from former EPA administrators across party lines.
- Trump’s EPA Announces Rollback of 31 Pollution Regulations — The Trump administration's Environmental Protection Agency (EPA) announced plans to scale back or eliminate 31 pollution regulations.