Terms of Service

Effective 14 September 2026.

Using Alder Atlas

You may read and link to the website for lawful purposes. Do not interfere with its operation, attempt unauthorised access or use it to distribute unlawful material. No account, subscription or payment is required by this edition.

Content and reuse

Original text is supplied for general information. Rights in third-party material remain with its respective owners. Linking to an article is welcome. Before republishing substantial material, obtain any permissions required from the relevant rights holder. A source link is not a licence to reproduce the linked work.

Accuracy and availability

We aim to present information carefully, but content may contain errors or become out of date. We may correct, update or remove material. We do not promise uninterrupted access. Nothing here excludes rights or responsibilities that cannot lawfully be excluded.

External websites

External links provide evidence or context. We do not control those websites, their availability or their privacy practices. A link does not imply endorsement or affiliation.

Contact and changes

Use the Contact page for questions and correction requests. Revised terms will appear here with an updated date. No particular governing law or business address is asserted until the operator supplies and verifies those details.