Extinction Prevention Act of 2026

Introduced

In Committee

Floor

Crossed Over

Passed

Enacted

Overview Bill text 1 History 2 Sponsors

Introduced in Senate May 14, 2026 · 10.1K words Open full page ↗

119TH CONGRESS

2D SESSION

S. 4543

To create dedicated funds to conserve butterflies in North America, plants

in the Pacific Islands, freshwater mussels in the United States, and

desert fish in the Southwest United States, and for other purposes.

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PASSAGE PROBABILITY

1% Unlikely

Why this number

Stage base Introduced — base rate 2%, measured from US's completed sessions
Momentum -6 23/100 from the pace of recorded action
Time since last action -22 153 days quiet

A transparent scoring model over stage, momentum, recency, sponsorship and recorded votes — not a trained predictor. Treat it as a way to rank attention, not as a forecast.