# Pacha > Pacha advances Automated Externality Accounting, exploring how markets can account for costs to people and the environment. ## Overview and resources - [Home](https://www.pacha.org/): The problem of externalities, proposed technologies, and the project's sustainable-markets moonshot. - [Resources](https://www.pacha.org/links): Directory of initiatives and resources related to externality accounting. - [Manifesto](https://www.pacha.org/Nell+Watson+%E2%80%93+Automated+Externality+Accounting+1.3c+.pdf): Automated Externality Accounting manifesto, version 1.3c. ## Optional - [Contact](https://www.pacha.org/contact.html): Contact form for the project.