Group of izazinzulu ukubona iingqalutye iinkuni njengento esisisongelo nemozulu

Iqela izazinzulu eBhodi Scientific yeeNgcebiso ye-European oqeqesho (EASAC) anxamnye ukusetyenziswa odlamkileyo ngeengqalutye iinkuni. I omkhulu ukufaka amalahle kunye biomass kukhule utshintsho lwemozulu kunye nengozi yokuba hayi iinjongo kwemozulu eParis '. Isizathu kukuba zithutha ukukhulula CO2 ngaphezulu nganye iyure yekilowatt ngaphezu namalahle. I-CO2 usebenze ngexesha elifutshane kakhulu, kodwa yokubopha kamva kuthatha amashumi eminyaka. Oosonzululwazi musa ngokwesiseko ukuphikisana ingxelo ukuba ukusetyenziswa odlamkileyo ngolunya sezulu cala kwixesha elide. Noko ke, ngoku imeko yemozulu bukhali ukuba akukho ezinye ukukhutshwa CO2 unokunikwa.
Nantsi inqaku lokuqala:
ukutsha iinkuni zokubasa ukuba umbane nobushushu yandiswa eYurophu njengento isisombululo esibalulekileyo ekufikeleleni kwiinjongo kwemozulu. Ke kaloku, ngaphezu kwabo bonke, iingqalutye iinkuni ukukhulula CO2 ngaphezulu nganye iyure yekilowatt ngaphezu amalahle, njengoko uthotho kweengxelo yiBhodi Scientific yeeNgcebiso ye-European oqeqesho (EASAC) ibonisa. "Akukho Wood zithutha iyeza ummangaliso ukuze ubonelelo ngombane nobushushu ngaphandle igalelo ukutshintsha kwemozulu. Nokuba i-EU kunye nepolitiki kazwelonke ukudala inkuthazo ukusetyenziswa kwazo ngomlinganiselo omkhulu, "utshilo uNjingalwazi Lars Walloe, usihlalo inkqubo lwendalo EASAC.
"Phulaphulani isayensi" na ukukhala zedabi ngolweziHlanu ukulungiselela Future intshukumo. Kwaye njengoko ingqungquthela sezulu e Madrid lufikelele esiphelweni, nto icaca yonke imihla: Zombini ubunyani utshintsho lwemozulu kunye ukukhangela izisombululo zobuchwepheshe ukunqanda ukunyuka ngakumbi weqondo lobushushu kwihlabathi iya ngakumbi ithemba ngakumbi. I-European National zezifundiswa of Science ngoku isilumkiso ukungangqinelani kakhulu phakathi imeko yangoku inzululwazi kunye nepolitiki ngokwenene xa kufikwa zokubasa.
"Ukuba thina sifuna ukugcina imozulu, akukho enye ukuya ukuyeka ukutshiswa amalahle kunye nezinye namafutha enziwe ngeefosili anqongophele. Kodwa siye kwakhona ngokuphindaphindiweyo wabonisa ukuba endaweni elikhulu-isikali emalahleni iinkuni zokubasa ibalekisa utshintsho lwemozulu kwiimeko ezininzi yaye kwandisa ingozi yokuba iithagethi kwemozulu Paris azinako ukwenzeka. Isizathu ilula: xa amahlathi, banqunyulwe kwaye lusetyenziswe bioenergy, isiqulatho carbon iphela biomass akhululwayo emoyeni ngokukhawuleza kakhulu, kodwa ke azicinywanga belingekanyuswa yimithi ezintsha eminyaka. Oku echasene ukungxamiseka ekulweni ingxaki lwemozulu, "utsho EASAC kaThixo uNjingalwazi Michael Norton, umalathisi inkqubo lokusingqongileyo EASAC.
Nangona isilumkiso izazinzulu ': amalungiselelo ezi zinto kwi-EU umyalelo kwi nakuvuselelo lwamandla kakubi imozulu ngaphezu kokuba kuxhamla
Nangona izilumkiso ezininzi ngenzululwazi, imithetho UN kwi-CO2 ingxelo amehlo neziphumo zemozulu kwamahlathi ivalwe ukuze utshiswe. Ngokungqinelana nemimiselo UN, izikhokelo 2018 ehlaziyiweyo EU ukuba nakuvuselelo lwamandla yaye ukukhutshwa EU ekurhwebeni inkqubo (nabaprofeti) ukusebenzisa ipheka CO2-cala. "Oku kunika uluvo engalunganga kubathengi amandla nezopolitiko-abenzi bezigqibo, kwaye ezi izikhewu kufuneka zivalwe ngokukhawuleza," wongeze uMichael Norton.
"Ingcamango yokuba ngoondilele lwemozulu iinkuni zokubasa usenokuba oluthile semthethweni ngo-2009, xa wokuphuthuma warming yokulwa ehlabathini akazange kubonwa ngolo hlobo. Le ngcamango nje ukuba reforestation kuyisusa njengoko CO2 eninzi emoyeni njengoko zakhutshwa ngexesha yokutsha, kodwa ugxininiso namhlanje kwi umda global warming ku-1.5 okanye 2 ° C. Lo ufuna amanyathelo akhawulezileyo - asinako ukulindela ukuba imithi ezintsha lumile ngelixa ngokutshiswa zokubasa kukuninzi le carbon ezimpontshelwa emoyeni, "utsho uMichael Norton.
Inkxaso-mali eliphezulu ngenxa nakuvuselelo lwamandla ukuba kufumaneka kwezinye EU angamalungu ziye kukhokelele ekwandeni kakhulu ukusetyenziswa iinkuni zokubasa - kubandakanywa ukutshintshwa kwamalahle izityalo ngamandla amakhulu phesheya, umzekelo ukusuka USA, Canada kunye nezinye European amazwe, kwamahlathi ekuveliseni iingqalutye iinkuni, nto leyo bathuthwayo phezu amawaka eekhilomitha, iye ngozini ukusa kumkhamo million ezininzi zeetoni ngonyaka ngamnye.
COP25 - "Driving ngaphandle umtyholi kunye ngoBhelezebhule"
Into ebalulekileyo ukusetyenziswa ngolunya na ekuthiwa-ixesha carbon payback, okt ixesha kuthatha imithi ezintsha lokufunxa carbon zakhutshwa ngexesha komlilo. Ukutshiswa iinkuni zokubasa akuyona neze kwemozulu-cala, kodwa oyiyekayo CO2 emoyeni ngethuba carbon payback, nto leyo imithi ibalulekileyo phakathi kweminyaka engama-50 ne-100. Oku kufuneka ithathelwe ingqalelo xa ivavanya nokuba kunokufikelelwa njani injongo umda ukufudumeza ukuya kutsho kuma-degrees 1.5. Ngokutsho EASAC, imigaqo uzinzo ukuze biomass kwakuza kufuneka ukucwangcisa ixesha ubuninzi payback CO2 kuvumelekile ukuba iyahambelana kwisiVumelwano Paris.
I Madrid nkomfa wabona indlela oorhulumente wesizwe endiqhayisa impumelelo yabo. imithetho ulahlekisa for CO2 accounting kwenza kube lula ukuba ukunciphisa ukukhutshwa kazwelonke ephepheni nje usuke amalahle (apho ezikhutshwayo kufuneka kuxelwe) kwi biomass elizweni (eboniswe njengoko ezikhutshwayo zero). "Ukusetyenziswa ehlokomayo iinkuni zokubasa ibhiyozelwa njengomzekelo" ibhola isilivere "enika abezopolitiko, foresters kunye neenkampani amandla imeko win-win kuba imithetho ngoku kubavumela ukuba inkxaso eneji ehlaziywa. Kodwa imozulu kuyo, Nawe uya kuzigxotha idemon kunye ngoBhelezebhule, "utsho uGqr William Gillett, umlawuli inkqubo yamandla EASAC kaThixo.


Post ixesha: Jan-05-2020

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