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Apocalypse 종말멸종 .대파괴 /warming 따뜻한 / threat 위협징후 / extinction 소화멸종 / declining 쇠퇴하다기울이다기움 decreasing 줄다감소하다 / bees 꿀벌/ bugs 곤충벌레 / extinct끊어진사라진멸종된 / wasp 말벌 / trigger 계기유인 / catastrophic 대변동의 / ecosystems : 생태계

 


 

Scientists say that global warming isn't the only serious threat to humans. Another major threat is the falling numbers of insects and the extinction of many species. Scientists say that half of all insects worldwide have been declining since the 1970s. A new warning is that over 40 per cent of insect species could die out in our lifetime. Researchers said the number of insects is decreasing by 2.5 per cent every year. The scientists are calling it an "insect apocalypse". Many species of butterflies, bees and other bugs are now extinct. In the U.K. researchers say 23 bee and wasp species have gone extinct in the past century. Scientists say the apocalypse could trigger, "a catastrophic collapse of Earth's ecosystems".


 ▪ Talk!! Talk!!

1. What do you think caused the falling numbers of insects?

2. Are butterflies still visible where you live?

3. What should be done to resolve this issue?

4. Which insect do you find fascinating? Why?

5. How important are bees in the ecosystem?