Here are a few options for a WordPress post_tag description for “環境科學” (Traditional Chinese), with varying lengths and focuses:

**Option 1 (Concise & General):**

* **Description:** 探索環境的奧秘，了解如何保護我們的地球。

* **Translation:** Exploring the mysteries of the environment, understanding how to protect our Earth.
* **Why it’s good:** Short, sweet, and appeals to a broad audience.

**Option 2 (More Specific, with Action):**

* **Description:** 關注環境科學，學習永續發展，為更好的未來努力。

* **Translation:** Focusing on Environmental Science, learning about sustainable development, and striving for a better future.
* **Why it’s good:** Adds a call to action and hints at solutions.

**Option 3 (Focus on Issues and Solutions):**

* **Description:** 關於環境保護、污染、氣候變化等環境挑戰的資訊，以及相關的解決方案與研究。

* **Translation:** Information on environmental challenges such as environmental protection, pollution, and climate change, along with related solutions and research.
* **Why it’s good:** Very direct and lists specific areas that would be covered by the tag.

**Option 4 (Slightly more engaging):**

* **Description:** 深入了解環境科學，一同探索氣候變遷、生態系統、資源保護等議題，開啟我們的環保之旅！

* **Translation:** Gain in-depth understanding of environmental science, explore issues such as climate change, ecosystems, and resource conservation together, and embark on our environmental protection journey!
* **Why it’s good:** Uses some more exciting vocabulary (環保之旅 – eco-journey) to bring in readers.

**How to Implement:**

1. **Go to your WordPress admin panel.**
2. **Navigate to Posts > Tags.**
3. **Find the “環境科學” tag (or click “Edit” to create it).**
4. **In the “Description” field, paste your chosen description.**
5. **Click “Update”.**

Choose the description that best fits the overall tone and content of your website. Good luck!