Qhov feem pua ntawm cov pa roj carbon emissions yog dab tsi?
Qhov feem pua ntawm cov pa roj carbon emissions yog dab tsi?

Video: Qhov feem pua ntawm cov pa roj carbon emissions yog dab tsi?

Video: Qhov feem pua ntawm cov pa roj carbon emissions yog dab tsi?
Video: global & U S carbon emissions 2019 2020 2024, Kaum ib hlis
Anonim

76 feem pua

Ib yam nkaus, tib neeg nug, pes tsawg feem pua ntawm cov pa carbon los ntawm Asmeskas?

suav nrog ob qho tib si ncaj qha cov pa tawm thiab tsis ncaj cov pa tawm cuam tshuam nrog kev siv hluav taws xob, kev lag luam feem ntawm tag nrho US greenhouse gas emissions hauv 2017 yog 29.7 feem pua , ua nws qhov loj tshaj plaws contributor ntawm tsev xog paj gases ntawm txhua sector. Tsev cog khoom roj tso tawm los ntawm kev lag luam tau poob los ntawm 11.8 feem pua txij li xyoo 1990.

Ib yam li ntawd, lub ntiaj teb tsim cov pa roj carbon ntau npaum li cas? Cov pa roj carbon dioxide (CO2) cov pa tawm los ntawm fossil fuels thiab kev lag luam tau kwv yees tias yuav nce ntau dua 2% (thaj tsam 1.8% mus rau 3.7%) xyoo 2018, ntiaj teb fossil CO2 cov pa tawm rau cov ntaub ntawv tshiab siab ntawm 37.1 billion tonnes.

Yog li ntawd, feem ntau cov pa roj carbon emissions tuaj qhov twg?

Hauv Tebchaws Meskas, feem ntau ntawm cov pa tawm ntawm tib neeg-ua rau (anthropogenic) tsev cog khoom roj av (GHG) tuaj Feem ntau los ntawm kev hlawv fossil fuels-coal, hydrocarbon gas kua, natural gas, thiab roj av-rau siv zog.

Dab tsi yog kev koom tes loj tshaj plaws rau kev tso pa co2?

Niaj hnub no, Tuam Tshoj yog tus ntiaj teb loj tshaj plaws CO2 emitter - accounting rau ntau tshaj ib feem peb ntawm cov pa tawm . Qhov no yog ua raws los ntawm Asmeskas (15%); EU-28 (10%); Is Nrias teb (7%); thiab Russia (5%). Tebchaws Asmeskas tau pab nyiaj ntau tshaj rau ntiaj teb CO2 cov pa tawm rau hnub tim, accounting rau 25% ntawm cumulative cov pa tawm.

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