Bill C-12 · 43th Parliament · Justin Trudeau
Canadian Net-Zero Emissions Accountability Act
An Act respecting transparency and accountability in Canada's efforts to achieve net-zero greenhouse gas emissions by the year 2050
Government bill. Became law.
- IntroducedNov. 19, 2020
- Debated in principleMay 4, 2021
- Studied by a committeeDone
- Passed its first chamberJune 22, 2021
- Passed the second chamberJune 29, 2021
- Became lawJune 29, 2021
Leading supporters
Ranked by the part each played: who is responsible for the bill, who carried it, and who spoke for it most.
- Justin TrudeauPrime Minister
Who carries this bill
Arrows run from the person responsible to those who answer to them on this bill. The critic leads the Senate’s scrutiny and answers to no one on it.
What it set out to do
On 19 November 2020, the Minister of Environment and Climate Change introduced Bill C-12 An Act respecting transparency and accountability in Canada's efforts to achieve net-zero greenhouse gas emissions by the year 2050 (Canadian Net-Zero Emissions Accountability Act), in the House of Commons and it was given first reading. Bill C-12 requires that national targets for the reduction of greenhouse gas emissions in Canada be set, with the objective of attaining net-zero emissions by 2050. The targets are to be set by the Minister of the Environment for 2030, 2035, 2040 and 2045. In order to promote transparency and accountability in relation to meeting those targets, the enactment also (a) requires that an emissions reduction plan, a progress report and an assessment report with respect to each target be tabled in each House of Parliament; (b) provides for public participation; (c) establishes an advisory body to provide the Minister of the Environment with advice with respect to achieving net-zero emissions by 2050 and matters that are referred to it by the Minister; (d) requires the Minister of Finance to prepare an annual report respecting key measures that the federal public admi…
Summary by the Library of Parliament.
Where members stand
Votes and debate for this bill have not been read yet.
How it changed on the way
32% of the text as introduced was changed or removed by the time it became law (3,079 words introduced, 4,324 passed). A committee amended it.
moderate changeintent mostly kept
The bill kept its core framework of setting milestone targets and requiring reports but added specific ties to the Paris Agreement, Indigenous knowledge, and a five-year review while expanding preamble commitments. Several procedural details on targets and plans were refined or newly inserted during passage.
- Added explicit link to Paris Agreement for 2030 target and progression requirement.
After: “Target — 2030 (2) The national greenhouse gas emissions target for 2030 is Canada's nationally determined contribution for that year, communicated under the Paris Agreement, as amended from time to time.”
- Expanded preamble to include international and domestic reporting obligations and Indigenous knowledge.
Before: “Whereas the Government of Canada is committed to advancing the recognition-of-rights approach reflected in section 35 of the Constitution Act, 1982 and in the United Nations Declaration on the Rights of Indigenous Peoples and to strengthening its collaboration with the Indigenous peoples of Canada with respect to measures for mitigating climate change;”
After: “Whereas the Government of Canada has both international greenhouse gas emissions reporting obligations under the United Nations Framework Convention on Climate Change, including the national inventory report, the nationally determined contribution, the biennial report and the biennial transparency report, and domestic reporting obligations under Acts of Parliament, including the annual report under the Greenhouse Gas Pollution Pricing Act and the Minister of the Environment's obligations under the Pan-Canadian Framework on Clean Growth and Climate Change, and it wishes to improve transparency and accountability in respect of greenhouse gas emissions targets by providing additional domestic reporting obligations;”
How precisely it is written
vagueChallenging the law: HardDisputing a charge: Hard
The Act uses clear dates and a defined net-zero target but repeatedly lets the Minister decide what is appropriate for consultations, reports and publications. This subjective language creates broad discretion instead of fixed rules.
Open to argument
“in the manner the Minister considers it appropriate”
This phrase appears multiple times and replaces any objective standard for how consultations or publications must occur.“any other information that the Minister considers appropriate”
The clause lets the Minister alone decide what counts as required content, leaving the scope open-ended.“and any other considerations that are relevant to the purpose of this Act”
This catch-all grants unlimited discretion when setting plans without listing concrete criteria.
Clear-cut
“milestone year means any of the years 2030, 2035, 2040 and 2045”
The definition fixes exact years rather than using flexible or subjective timing.“The national greenhouse gas emissions target for 2050 is net-zero emissions”
The 2050 target is stated as a clear numerical and definitional requirement.
Discretion. Almost every public-participation, reporting and plan-making step is left to the Minister's choice of manner, content and timing, with only narrow fixed deadlines for setting later targets.
Challenging the law itself. The Act creates only governmental reporting duties and does not directly limit individual rights, so a vagueness or overbreadth challenge under section 7 of the Charter would face high hurdles.
Disputing a charge under it. Because duties fall only on the Minister and are framed in subjective terms, a claim that the Minister failed to comply would turn on discretionary judgments rather than objective facts.
Read by a language model from the royal assent text; every quoted phrase appears in the bill. A reading of the drafting, not legal advice.
Did it work?
partly effective
The Act has established required targets, emissions reduction plans, progress reports, and independent audits by the Commissioner of the Environment and Sustainable Development, fulfilling its transparency and reporting mandates. However, official audits conclude that implementation of measures remains insufficient to meet the 2030 target, with overly optimistic projections, delays, and limited emission impacts.
- Report 6—Canadian Net-Zero Emissions Accountability Act—2030 Emissions Reduction PlanauditThe federal government is not on track to meet the 2030 emissions target, the plan lacks sufficient implementation deadlines and emission projections for most measures, and the Act does not require achievement of targets.
- Report 7—Canadian Net-Zero Emissions Accountability Act—2024 ReportauditOf 20 audited measures, only 9 were on track, implementation is too slow with optimistic estimates, and the first progress report met legislative requirements but missed transparency best practices.
- Implementing the Canadian Net-Zero Emissions Accountability Act—Financial MeasuresauditFinancial measures worth over $100 billion were developed but have implementation shortcomings, low uptake of some credits, and insufficient systems for measuring emission outcomes.
Who lobbied on it
No lobbying registration naming this bill is loaded.
Stages and dates from LEGISinfo.