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Deddf yr Amgylchedd (Ansawdd Aer a Seinweddau) (Cymru) 2024

Newidiadau i ddeddfwriaeth:

Ar hyn o bryd nid oes unrhyw effeithiau heb eu gweithredu yn hysbys ar gyfer y Deddf yr Amgylchedd (Ansawdd Aer a Seinweddau) (Cymru) 2024, Adran 3. Help about Changes to Legislation

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Efallai na fydd deddfwriaeth ddiwygiedig sydd ar y safle hwn yn gwbl gyfoes. Ar hyn o bryd mae unrhyw newidiadau neu effeithiau hysbys a wnaed gan ddeddfwriaeth ddilynol wedi'u gwneud i destun y ddeddfwriaeth yr ydych yn edrych arni gan y tîm golygyddol. Gweler 'Cwestiynau Cyffredin' am fanylion ynglŷn â'r amserlenni ar gyfer nodi a chofnodi effeithiau newydd ar y safle hwn.

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(1)Cyn gwneud rheoliadau o dan adran 1 neu 2, rhaid i Weinidogion Cymru—

(a)ceisio cyngor gan bersonau y maent yn ystyried eu bod yn annibynnol ac yn meddu ar arbenigedd perthnasol, a

(b)rhoi sylw i wybodaeth wyddonol ynghylch llygredd aer.

(2)Cyn gwneud rheoliadau o dan adran 1 neu 2 sy’n gosod neu’n diwygio targed mewn cysylltiad â llygrydd penodol, rhaid i Weinidogion Cymru roi sylw i unrhyw ganllawiau ar gyfer y llygrydd hwnnw a gyhoeddwyd gan Sefydliad Iechyd y Byd yn ei ganllawiau ansawdd aer byd-eang diweddaraf.

(3)Cyn gwneud rheoliadau o dan adran 1 neu 2 sy’n gosod neu’n diwygio targed, rhaid i Weinidogion Cymru fod wedi eu bodloni y gellir cyflawni’r targed neu’r targed diwygiedig.

(4)Ni chaiff Gweinidogion Cymru wneud rheoliadau o dan adran 1 neu 2 sy’n dirymu neu’n gostwng targed (y “targed presennol”) onid ydynt wedi eu bodloni—

(a)na fyddai cyflawni’r targed presennol o unrhyw fudd sylweddol o gymharu â pheidio â chyflawni’r targed neu gyflawni targed is, neu

(b)yn sgil newidiadau mewn amgylchiadau ers gosod y targed presennol neu ei ddiwygio ddiwethaf, y byddai costau amgylcheddol, costau cymdeithasol, costau economaidd neu gostau eraill cyflawni’r targed yn anghymesur â’r buddion.

(5)Cyn gwneud rheoliadau o dan adran 1 neu 2 sy’n dirymu neu’n gostwng targed, rhaid i Weinidogion Cymru osod gerbron Senedd Cymru, a chyhoeddi, ddatganiad sy’n esbonio pam y mae Gweinidogion Cymru wedi eu bodloni fel y’i crybwyllir yn is-adran (4).

(6)Mae rheoliadau yn gostwng targed os ydynt, i unrhyw raddau—

(a)yn gosod safon is yn lle’r safon benodedig, neu

(b)yn pennu dyddiad diweddarach yn lle’r dyddiad penodedig.

(7)Ni chaiff rheoliadau o dan adran 1 ddirymu’r targed ansawdd aer sydd wedi ei osod i gydymffurfio ag is-adran (2) o’r adran honno (ond cânt ei ddiwygio yn unol â’r adran hon).

(8)Ni chaiff rheoliadau o dan adran 2 ddirymu targed ansawdd aer PM2.5 (ond cânt ei ddiwygio yn unol â’r adran hon).

(9)At ddibenion y Bennod hon, mae targed wedi ei gyflawni os yw’r safon benodedig wedi ei chyrraedd erbyn y dyddiad penodedig.

(10)Rhaid i Weinidogion Cymru osod drafft o offeryn statudol sy’n cynnwys y rheoliadau sy’n ofynnol gan adran 1(2) gerbron Senedd Cymru cyn diwedd y cyfnod o 6 mlynedd sy’n dechrau â’r dyddiad y caiff y Ddeddf hon y Cydsyniad Brenhinol.

(11)Rhaid i Weinidogion Cymru osod drafft o offeryn statudol sy’n cynnwys rheoliadau sy’n gosod targed ansawdd aer PM2.5 gerbron Senedd Cymru cyn diwedd y cyfnod o 3 blynedd sy’n dechrau â’r dyddiad y caiff y Ddeddf hon y Cydsyniad Brenhinol.

Gwybodaeth Cychwyn

I1A. 3 mewn grym ar 14.4.2024, gweler a. 30(2)(a)

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