preservation of the natural environment

例句：

1. 1. The government has implemented strict measures to preserve the natural environment.
   政府已经实施了严格的措施来保护自然环境。
2. 2.The preservation of endangered species is a pressing issue for wildlife conservation.
   濒危物种的保护是野生动物保护的一个紧迫问题。
3. 3. The preservation of cultural heritage is essential for the survival of our society.
   文化遗产的保护对于我们社会的存续至关重要。