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Environmental Mod for Minecraft 1.20.1, 1.21.1

Enhances the Overworld with new foliage and wildlife and introduces some simple biomes!

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Updated 21.10.2026
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📖 About:

Environmental is a general overworld surface expansion mod that further incentivizes exploring existing biomes, and completes and improves them visually. Introduces new biomes such as Blossom Woods, Pine Barrens, and Marshes! Alongside these are several new mobs, including Slabfish, Deer, Zebras, Tapirs, and more!

Environmental — screenshot 4

How to install Environmental

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 1.19.2–1.21.1 on Forge or NeoForge automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Forge or NeoForge

    The loader must match the game version of the mod file, for example Minecraft 1.21.1. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file environmental-1.21.1-5.0.1.jar (7.5 MB) for your game version and loader.

  3. Put it in the mods folder

    The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.

  4. Launch the loader profile

    Open “Mods” in the main menu: Environmental should be in the list.

Minecraft 1.21.1 runs on Java 21: with a different Java version the game may close right after launch.

Versions

With dependencies

MinecraftLoaderFileDateActions
1.21.1NeoForgeEnvironmental 1.21.1 - 5.0.17.5 MB 1
1.20.1NeoForge, ForgeEnvironmental 1.20.1 - 4.1.27.7 MB 2
1.19.2ForgeEnvironmental 1.19.2 - 3.1.06.8 MB

FAQ

Which Minecraft versions does Environmental work on?

There are files for 1.21.1, 1.20.1, 1.19.2. The newest is 1.21.1.

Is Environmental for Forge or Fabric?

There are files for Forge: 1.19.2–1.20.1 and for NeoForge: 1.20.1–1.21.1. There are no files for Fabric: a mod for another loader will not start.

Does Environmental need other mods?

The author lists no required dependencies: the Forge or NeoForge loader is enough.

Which Java does Environmental need?

Minecraft 1.21.1 runs on Java 21. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.

Where can I download Environmental safely?

On this page: the file environmental-1.21.1-5.0.1.jar (7.5 MB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: f3b62861584a306ff50fbdaa9401728db64f7a35.

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