conservation

/ˌkɑnsərˈveɪʃən/

an occurrence of improvement by virtue of preventing loss or injury or other change

中文释义：保护；保存

Wildlife conservation efforts have helped increase the population of endangered species.

野生动物保护工作帮助增加了濒危物种的数量。

Energy conservation is essential for reducing our carbon footprint.

节约能源对于减少碳足迹至关重要。