在2012年6月的大学英语四级考试中，写作部分的主题围绕着“环境保护”展开。以下是当年的作文题目以及一篇参考范文：

真题：

Directions: For this part, you are allowed 30 minutes to write a short essay on the topic of environmental protection. You should write at least 120 words but no more than 180 words.

范文：

Environmental protection has become one of the most pressing issues in today's world. With rapid industrialization and urbanization, our natural resources are being depleted at an alarming rate. Pollution from factories and vehicles is not only harming the air we breathe but also contaminating our water sources and soil. It is high time that we take effective measures to protect our environment.

Firstly, governments around the world should enforce stricter laws to control pollution. This includes imposing heavy fines on companies that violate environmental regulations. Secondly, individuals can contribute by adopting eco-friendly habits such as reducing waste, recycling materials, and using public transportation whenever possible. Lastly, education plays a crucial role in raising awareness about the importance of environmental conservation.

In conclusion, environmental protection is everyone's responsibility. By working together, we can ensure a sustainable future for generations to come.

通过这篇范文，考生可以学习到如何组织文章结构，使用恰当的词汇和句式来表达观点。希望以上内容能帮助大家更好地准备英语四级考试中的写作部分。