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S 4146
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Local Data for Better Conservation Act

To amend the Endangered Species Act of 1973 with respect to the listing of threatened and endangered species, and for other purposes.

Introduced Mar 19, 2026

Latest action (Mar 19, 2026) Read twice and referred to the Committee on Environment and Public Works.

Referred to
Environment and Public Works Committee
Policy area
Environmental Protection
Issues
Climate & Energy

Summary
  • Amends the Endangered Species Act of 1973 to require the Secretary to accept and integrate state-collected data in species listing decisions.
  • Requires the Secretary to incorporate state-collected data when determining whether to list a species as threatened or endangered.
  • Requires the Secretary to incorporate state-collected data when determining whether to delist a previously listed species from the threatened or endangered species lists.

AI-generated plain-language summary of the bill text — neutral, and may be imperfect. See the full text below for the exact wording.

Sponsor (1)
7 cosponsors

Money behind the sponsor

Top reported contributors to Cynthia M. Lummis’s campaign committee (2024 cycle) — who funds the bill’s sponsor, not a claim about this bill. Data from FEC.

  • PARADIGM $19,800
  • THE SINCLAIR COMPANIES $9,900
  • COINBASE $9,100
  • ANDREESSEN HOROWITZ $8,200
  • TARPLIN, DOWNS AND YOUNG, LLC $7,100

Organizations whose employees gave the most — itemized individual contributions grouped by the donor’s reported employer (FEC Schedule A). Full finance for Cynthia M. Lummis → · Outside spending →

Actions (2)
  1. Mar 19, 2026 Read twice and referred to the Committee on Environment and Public Works. · senate
  2. Mar 19, 2026 Introduced in Senate

Similar bills (6)

Bills with similar text or summary — includes reintroductions across Congresses. Ranked by semantic similarity of the bill text (computed locally); a neutral discovery aid, not a claim the bills are duplicates.

  • HR 9184 — Local Data for Better Conservation Act · Introduced Jun 8, 2026 · Cong. 119 92%
  • S 2579 — Endangered Species Recovery Act of 2025 · Introduced Jul 31, 2025 · Cong. 119 72%
  • HR 3845 — To amend the Endangered Species Act of 1973 to expand the exemption process under section 7 of that Act with respect to national security and significant adverse national or regional economic impacts. · Introduced Jun 9, 2025 · Cong. 119 72%
  • HR 1897 — ESA Amendments Act of 2025 · Introduced Apr 20, 2026 · Cong. 119 71%
  • HR 4850 — Endangered Species Recovery Act of 2025 · Introduced Aug 1, 2025 · Cong. 119 70%
  • HR 5365 — ENABLE Conservation Act of 2025 · Introduced Dec 2, 2025 · Cong. 119 69%

Text versions (1)
  • Introduced in Senate · Mar 19, 2026

Only one text version is on file, so there’s no earlier version to compare against yet.

Full text

IN THE SENATE OF THE UNITED STATES

March 19, 2026

Ms. Lummis (for herself, Mr. Barrasso, Mr. Sheehy, Mr. Ricketts, and Mr. Daines) introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works

A BILL

To amend the Endangered Species Act of 1973 with respect to the listing of threatened and endangered species, and for other purposes.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

This Act may be cited as the “Local Data for Better Conservation Act”.

SEC. 2. LISTING DETERMINATIONS.

Section 4 of the Endangered Species Act of 1973 (16 U.S.C. 1533) is amended by adding at the end the following:

“(j) State Data.—In making a determination to list, or delist, a species as a threatened species or an endangered species under this section, the Secretary shall accept and integrate State-collected data.”. <all>

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