US: Senate Republicans unveil new tax and spending bill, aligns with House legislation
US Senate Republicans proposed changes to Trump's tax and spending bill, making some business tax breaks permanent while limiting state and local tax deductions. US Senate Republicans have introduced their version of President Donald Trump's
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US: Hawaii introduces lodging tax for climate-change mitigation
The law adds a 0.75% "Green Fee" to the existing transient-accommodations tax of 10.25% and imposes a levy on cruise-ship passengers docking in the islands. Hawaii Governor Josh Green has signed SB 1396 into law, making Hawaii the first US
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Canada: Government proposes GST rebate for first-time home buyers, repeal of consumer carbon price, middle-class tax cuts
Canada’s Finance Minister proposed the measures on 27 May 2025. Canada’s Finance Minister, François-Philippe Champagne, has tabled a notice of Ways and Means Motion in Parliament on 27 May 2025, proposing GST relief for first-time
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South Africa: SARS clarifies revised carbon offset rules
The update modifies the eligibility criteria for renewable energy projects under the carbon offset allowance. The South African Revenue Service (SARS) has released an Explanatory Memorandum on 15 March 2025 outlining amendments to the Carbon
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EU: European Parliament endorses revisions to EU carbon border mechanism
The European Parliament has approved changes to the EU's carbon border adjustment mechanism (CBAM), simplifying the rules and exempting 90% of importers. The European Parliament approved changes to the EU's carbon border adjustment mechanism
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OECD: Carbon taxes and emissions trading most effective climate policies
The paper examines carbon mitigation policies, their impact on emissions, and methods to measure carbon intensity across sectors. The Organisation for Economic Co-operation and Development (OECD) released a paper titled “The effects of climate
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US: IRS announces 2025 inflation adjustment for carbon sequestration credit
The US Internal Revenue Service (IRS) has released the inflation adjustment factor for the carbon oxide sequestration credit under IRC section 45Q for 2025 (Notice 2025-25, IRB 2025-20). The inflation adjustment factor for calendar year 2025 is
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Canada: Alberta halts industrial carbon pricing at the current rate
The Canadian Province of Alberta announced on 12 May 2025 that it is freezing the industrial carbon price at the current rate of CAD 95 per tonne of emissions. The announcement was made by Alberta’s Premier, Danielle Smith. Previously, the
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Argentina postpones tax hike on liquid fuel, carbon dioxide
Argentina’s government has postponed the scheduled tax increases on liquid fuels and carbon dioxide through Decree 296/2025, which was published in the Official Gazette on 30 April 2025. This decree delays the hiked tax rates until 1 June
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Netherlands emissions authority accepting CBAM declarant applications from May 2025
The Netherlands' emissions authority (NEA) announced on 1 May 2025 the launch of a dedicated online portal for taxpayers to apply for CBAM authorised declarant status. The Carbon Border Adjustment Mechanism (CBAM) is an initiative introduced by
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Netherlands scraps plastic tax, considers higher waste tax
The Dutch government has reportedly scrapped its plans to introduce a polymer levy (polymerenheffing) or the plastic tax. Cancelling the tax will cause a EUR 567 million budget loss, which will likely be offset by raising the waste tax rate and
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EU: EEA aims for Sustainable Europe by 2050 with green tax reforms
The European Environment Agency (EEA) has released a report titled "[Imagining a sustainable Europe in 2050: Exploring implications for core production and consumption systems” on 10 April 2025. This report analyses how Europe's food, mobility,
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Netherlands releases draft tax plan measures for 2026
The Netherlands State Secretary for Finance has sent a list of tax measures on 25 April 2025, which are expected to be included in the annual Tax Plan and other tax legislation planned for the year, to the lower house of parliament. The Tax Plan
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OECD report spotlights carbon forum progress, future plans
The OECD Secretary-General has published a report on 25 April 2025 addressing G20 finance ministers and central bank governors on the progress and initiatives of the Inclusive Forum on Carbon Mitigation Approaches (IFCMA). With 60 members and
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Denmark introduces bill for temporary green asset depreciation incentives
Denmark’s Ministry of Taxation has introduced Bill L 195 on 9 April 2025 to establish a temporary increase in the depreciation basis for certain new green assets, as part of the green investment window linked to the Agreement on Green Tax
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Canada: Northwest Territories abolishes consumer carbon tax
The Government of the Northwest Territories (GNWT) will remove the Northwest Territories' carbon tax for all consumers except large emitters on 1 April 2025. The GNWT has taken this step to align with the Government of Canada’s carbon pricing
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Canada: Saskatchewan to halt industrial carbon tax from April 2025
The Saskatchewan government announced in a release on 27 March 2025 that it will pause the industrial carbon tax rate under its Output-Based Performance Standards (OBPS) Program. This decision will provide immediate financial relief to families,
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UN Tax Committee: Report on Environmental Taxation
On 25 March 2025 the Subcommittee on Environmental Taxation submitted its final report to the UN Tax Committee, including an updated paper for approval and recommendations for future work to be considered by the new membership of the Tax Committee
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