Stand · Find your defenders

Who’s defending Missouri?

1 public place under threat in Missouri

11 groups have them in their care

The defenders

The groups doing the most work here

3 groups are on the record for Missouri, in the order they carry the weight. Give directly; nothing routes through us.

8 more groups also work on Missouri

The places

Under threat in Missouri

Each has its own page with the groups on the record for it. The most urgent first.

  1. Critical threatMark Twain National ForestForest Service moves to trade 2,616 acres to a lead mining company

Your move

How to stand for Missouri

Missouri has defenders. It needs more.

3 groups on the record, Sierra Club with 10,895 volunteers. That is who is holding it. Find your way in.

Sources and methodGroup crews and program ratios: IRS Form 990 via ProPublica Nonprofit Explorer, latest filed year, EINs on each group’s profile. Which groups defend Missouri, and their role: MTJP editorial curation, one verified link at a time, plus the federal court record and each group’s own footprint. Match ranges decompose into those signals on every row. Org-reported figures are always labeled. Data verified as of 2026-09-23. Nothing on this page is pay-to-play.