mass extinction
noun[UorC]
uk/ˌmæs ɪkˈstɪŋk.ʃən/us/ˌmæs ɪkˈstɪŋk.ʃən/thedeathof manyanimals,plants, andpossiblyhumans,especiallyas aresultofclimatechange(=changesin the world'sweathercausedespeciallybyincreasinglevelsofcarbondioxidein theatmosphere):
大规模灭绝，集群绝灭He said Earth'satmospherecan onlystaythisloadedwithman-madecarbondioxidefor acouplemoredecadeswithoutchangessuch asmassextinction,ecosystemcollapseanddramaticsealevelrises.他说，对目前这样的人为二氧化碳负荷，地球的大气层只能再承受几十年了，在这段时间内不会发生大规模灭绝、生态系统崩溃和海平面急剧上升等变化。
Biologists say fivemassextinctions haveoccurredsincelifebeganonEarth.生物学家说，自地球生命开始以来，已经发生过五次大规模灭绝。
- TheEarthmay beexperiencingthelargestmassextinctionsince thedinosaursdiedout.
- Once thesurveyiscomplete, we shouldknowif anylargeasteroidcapableofcausingglobaldamageandmassextinctionwillstrikeEarthwithin the next few hundredyears.
- Withmassextinctions in the making,scientistsarescramblingforwaystolessenglobalwarming'simpact.
Environmental issues
- agroecology
- air pollution
- anti-conservation
- anti-conservationist
- anti-consumer
- biodegradable
- carbon neutral
- environmentally
- feed-in tariff
- food insecure
- food insecurity
- food secure
- noise pollution
- nuclear winter
- populate
- sustainably
- tidal power
- tree hugger
- ULEZ
- ultra-efficient