# Rejoining Paris & Cancelling Keystone XL

> On day one, moved to rejoin the Paris Agreement and revoked the permit for the Keystone XL pipeline, while ordering a rollback of many Trump-era…

Joe Biden · Energy & Environment · Executive Order · EO 13990 · Jan 20, 2021
Official record: https://www.federalregister.gov/d/2021-01765

## What happened

On day one, moved to rejoin the Paris Agreement and revoked the permit for the Keystone XL pipeline, while ordering a rollback of many Trump-era environmental rules.

## How it happened

Inauguration-Day executive order plus a separate acceptance of the Paris Agreement.

## Documented impact

- [positive / substantiated] Restored U.S. participation in global climate efforts. — The U.S. rejoined Paris within weeks and reinstated dozens of environmental protections.
- [negative / substantiated] Keystone cancellation cost union construction jobs. — Revoking the permit killed thousands of temporary construction jobs and drew opposition from unions and Canada.

## Sources

- [Federal Register: EO 13990](https://www.federalregister.gov/d/2021-01765)

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