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To find climate-related lawsuits and their filings, use a climate case database to identify a likely case, then check the docket maintained by the court that heard it. For federal cases, search the court’s PACER/CM/ECF system or the PACER Case Locator. For state and local cases, use the relevant state or county court system—or contact the clerk. PACER does not cover state or county courts.

Start with a climate case lead

The Sabin Center for Climate Change Law’s Climate Change Litigation Database is a useful way to discover cases by subject or jurisdiction. Search the location and topic, then try likely party names and terms such as “greenhouse gas,” “emissions,” “environmental review,” “permit,” or the name of a challenged project or agency. Not every climate-related case will use those terms or be indexed under a climate label.

Use the database to identify a possible case, not to establish its latest procedural status. Record the exact case caption, parties, court, case number, and filing date if shown. The court and case number are especially useful when several cases have similar names.

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Find the court and choose the right search system

First determine whether the case is federal or belongs to a state, county, or municipal court. For a federal case, identify the district or appellate court. For a state or local case, note the state, county, court level, and—if available—the local court that received the filing. PACER is for federal court records; it will not find state or county cases.

Search federal climate litigation records

When you know the federal court

Search the district or appellate court’s PACER/CM/ECF site for the current docket and available documents. A search at the filing court is generally the better place to check for the latest entries.

When you do not know the federal court

Use the PACER Case Locator, the nationwide index for federal cases. Search using available details such as a party name, case number, or filing-date range, then follow the result to the court’s case information and documents. The locator is typically refreshed nightly, and newly filed cases generally appear within 24 hours; the filing court is the fresher source.

PACER requires an account. Its listed charges are $0.10 per page, capped at $3 for a single document, with fees waived when a user’s quarterly usage is $30 or less. These are service charges, not climate-litigation statistics; check PACER’s current fee information before searching because terms may change.

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Try the RECAP archive as another route

CourtListener’s RECAP Archive may have docket entries and federal court documents available to search or view without charge. It is a secondary archive, not a guarantee of a complete case file. Compare its results with the official court docket, particularly when a filing’s presence, date, or current status matters.

Search state, county, and municipal records

Start at the official judiciary website for the state where the case was filed. Look for “case records,” “case search,” “docket search,” or “court records,” then follow the site’s directions to the county, trial court, or clerk that maintains the record. Some states provide statewide searches; others use separate county portals or require a request to the clerk.

Coverage varies by portal, so check which court levels and case types it includes. Examples illustrate the differences:

  • Washington: The state court search is described as covering municipal, district, superior, and appellate cases. It directs users to the filing court to view or order the complete record; counties may also offer their own portals.
  • Florida: The ACIS portal provides public access to dockets and available documents for the Florida Supreme Court and the state’s six District Courts of Appeal. Its public document search does not require registration. This is an appellate-court example, not a statewide trial-court search.
  • Arizona: eAccess provides online Superior Court civil and criminal records within its stated filing-date coverage, subject to restrictions. Available documents may involve per-document charges or subscription options.
  • Colorado: The Judicial Branch’s access information describes limits on online court searches and explains that copies are not available from linked commercial search sites; it points users to the court or a records request.

These examples do not identify the right portal or local copying fee for every locality. Confirm the county and court responsible for the case, then check that court’s current access instructions.

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Search efficiently and verify what you find

Use the most precise details available: the case caption, party names, docket number, court name, and approximate filing date. Try variations of individual or organization names. If a portal offers filters, narrow by party, date range, court, county, or case type. PACER district searches support case number, party name, and filing-date range; the nationwide locator supports broader criteria.

Search results and case trackers can help locate a record, but they are not a reliable substitute for checking the current docket. Review filing dates, orders, and later entries to establish the procedural posture. When the underlying details matter, read the order or pleading itself rather than relying only on its docket description.

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Understand access limits and get the authoritative record

An online docket may not be complete. A record or document can be sealed, restricted by law or court order, or unavailable through a particular portal. PACER also identifies categories of documents that are not publicly available through its service and describes redaction of certain personal identifiers.

Online access does not always make a copy the official record. For example, the Solano Superior Court in California warns that a trial-court record available electronically is not the official record unless electronically certified. Colorado’s access guidance likewise directs users to the court for copies rather than linked commercial search sites.

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If a document is missing, an entry is unclear, or you need a complete or certified copy, contact the clerk of the court where the case was filed. Ask how to inspect the record, obtain copies or certification, and whether a request form or fee applies. PACER’s official Find a Case page says: “Contact the federal court where the case is filed to obtain information beyond the case summary, docket entries, and copies of documents.” State and local courts may likewise direct users to the responsible clerk when online access is incomplete or not official.

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