Nowadays, ecological crisis is a global environmental problem because of the artificial imposed reasons.
当今，由于人为的原因，生态危机已成为全球性的环境问题。
A series of ecological issues such as global environmental pollution and resource crisis have become the crucial issues affecting global security.
全球环境污染和资源短缺等一系列的环境问题已经成为影响全球安全的重大问题。
But in the process of industrialization in the western developed countries, it also happened a series of "environmental hazards incident" which caused the global ecological environment crisis.
但在西方发达国家工业化的过程中，也先后发生了震惊世界的系列“环境公害事件”，造成了全球性的生态环境危机。
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