> ## Content Index
> Fetch the complete content index at: https://oeconomics.app/llms.txt
> Use this file to discover other available public pages before exploring further.

# Every method. Every horizon. Every revision.
- URL: https://oeconomics.app/methods/
- Published: 2026-10-14T10:01:00.000Z
- Updated: 2026-10-14T12:30:57.000Z
- Description: A single activity, characterised under every method that matters at once, and diffed against its own history so you can see what changed and why.
- Author: Steven Eksteen
- Tags: Features, Compare

- Climate, air, water, human, and resource impacts, each on its own tab.
- IPCC AR4 / AR5 / AR6 at 20-, 100-, and 500-year horizons, TRACI 3.0, and more. Side by side, no re-running.
- Compare any version to an earlier one: every figure carries its change, up or down.
- Reported on a functional-unit basis, stamped with the exact engine and activity version that produced it.