# What Causes Wind

Understand what causes wind: the Sun heats the Earth's surface unevenly, warm air rises because it is lighter, and cooler air rushes in to take its place — this movement of air is wind

Builds on: What Is Wind? (hard, https://ai.page/c/what-is-wind/en.md)

Concept id: what-causes-wind. Subject: science. Licence: CC BY-SA 4.0.

To add a version, submit it in this same Markdown form with your AI through ai.page's connector (submit_version). Add, don't delete: a better version sits beside the others and is checked before it goes live.
