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(1)For the purposes of this Part, each of the following must be measured or calculated in tonnes of carbon dioxide equivalent—
(a)emissions of greenhouse gases;
(b)reductions in greenhouse gas emissions;
(c)removals of greenhouse gases from the atmosphere.
(2)A “tonne of carbon dioxide equivalent” means one metric tonne of carbon dioxide or an amount of any other greenhouse gas with an equivalent global warming potential (calculated consistently with international carbon reporting practice).
In this Part, “international carbon reporting practice” means accepted practice in relation to reporting for the purposes of—
(a)the protocols to the United Nations Framework Convention on Climate Change, or
(b)such other international agreements or arrangements, or obligations under EU law, as the Welsh Ministers may specify by regulations.
In this Part—
“2050 emissions target” (“targed allyriadau 2050”) has the meaning given by section 29;
“advisory body” (“corff cynghori”) is to be interpreted in accordance with section 44;
“baseline” (“gwaelodlin”) has the meaning given by section 38;
“budgetary period” (“cyfnod cyllidebol”) has the meaning given by section 31(3);
“carbon budget” (“cyllideb garbon“) has the meaning given by section 31(1);
“carbon unit” (“uned garbon”) has the meaning given by section 36(1);
“emissions” (“allyriadau”), in relation to a greenhouse gas, means emissions of that gas into the atmosphere that are attributable to human activity;
“EU law” (“cyfreithiau'r UE”) means—
all the rights, powers, liabilities, obligations and restrictions from time to time created or arising by or under the EU Treaties, and
all the remedies and procedures from time to time provided for by or under the EU Treaties;
“greenhouse gas” (“nwy tŷ gwydr”) has the meaning given by section 37;
“interim emissions target” (“targed allyriadau interim”) has the meaning given by section 30(1);
“interim target year” (“blwyddyn darged interim”) has the meaning given by section 30(3);
“international carbon reporting practice” (“arferion rhyngwladol adrodd ar garbon”) has the meaning given by section 52;
“net Welsh emissions” (“allyriadau net Cymru”) has the meaning given by section 34(1);
“net Welsh emissions account” (“cyfrif allyriadau net Cymru”) has the meaning given by section 33;
“Welsh emissions” (“allyriadau Cymru”) has the meaning given by section 34(2);
“Welsh removals” (“echdyniadau Cymru”) has the meaning given by section 34(3).
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