The deterioration of the ecological system is accelerating because of the dramatic increase of human production and consumption.

由于人类生产和消费活动的急剧增加，生态系统正在加速恶化。

youdao

It is an undeniable fact that animals play a vital role in maintaining the subtle balance of the earth's ecological system.

不可否认，动物在维持地球生态系统的微妙平衡上起到了重要作用。

youdao

Al responded that he felt that the earth was the ultimate importance and that protecting the earth's ecological system was most important.

戈尔回答道，他觉得地球的重要性独一无二，而保护地球的生态环境是最重要的。

youdao

He says the global economy must change to a sustainable system now before social issues and ecological degradation become overwhelming.

VOA: standard.2010.01.23

Through their livelihoods based on slash and burn agriculture, fishing and hunting, they have both shaped the local ecological system and sheltered it from destruction.

UNESCO: EDUCATION

Though foxes are of recent introduction in Australia (having been brought for sport by British settlers), many marsupial predators, now extinct, were present before the arrival of man in both his Aboriginal and his European forms, so the ecological system of plants, herbivores and carnivores in the eucalyptus forests would probably not have been that different in the evolutionary past.

ECONOMIST: Ecology raids the techniques of chemistry

"You basically have two ecological universes - a system with dingoes and a system without dingoes - they are completely different places, " Dr Letnic told BBC News.

BBC: Dingoes 'could help rare species'