This document provides an overview of open science, including definitions, motivations, and plans for implementation. It discusses:
1) Definitions of open science from various organizations and perspectives.
2) Motivations for open science, including addressing anomalies in the current scientific publishing system and enabling science to better serve societal needs.
3) National and international plans and roadmaps to transition to open science, focusing on open access, open data, incentives, and skills/training.