# 🌲 Tree Plantation

:::warning
Tree Plantations can't currently be proposed as National Projects, and don't have an image yet. This page describes how they work if one exists in a region.

:::

A **Tree Plantation** is a green project that cleans up a region's air. It's the environmental opposite of the Industrial Complex.

## Requirements

|     |     |
|-----|-----|
| **VBX cost** | 25  |
| **Productivity required** | 200 |
| **Materials** | 200 Fibers |
| **Appeal** | \+25 |
| **Prerequisites** | Not currently buildable. Can't be built in a region with an Industrial Complex. |

## Effects

* **−25 pollution** in the region every day.
* Raises the region's Appeal by 25.

## See also

* [Industrial Complex](/doc/industrial-complex-zzaJihWyJM)
* [Infrastructure](/doc/infrastructure-tvXBC79OnR)