Guyana has secured the issuance of more than 9 million jurisdictional REDD+ (J-REDD) carbon credits under the ART TREES certification programme, with the vintage 2023 units eligible for use under UN aviation offsetting scheme CORSIA.

The US Department of the Treasury and the Internal Revenue Service (IRS) announced proposed regulations for domestic clean fuel production, determining 45Z credit eligibility under the One Big Beautiful Bill Act (OBBBA).

A Calgary-based low-carbon cement developer is shaking up its executive branch with a new CEO and president as it looks to expand across North America and Europe.

An industrial facility in Quebec covered under province's California-linked ETS has suspended planned investments in emissions reductions totalling C$300 million ($220 mln), citing insufficient regulatory certainty and company concerns around the ability to continue operations in the future.

A group of 114 civil society organisations published an open letter Tuesday to the COP30 Presidency, calling for the planned roadmap to transition away from fossil fuels to be science-led and equity-based to ensure it does not become "another document that gathers dust". 

Proposals to impose new federal fees on electric vehicles (EVs) could significantly reduce uptake in the US and increase transportation sector emissions over the coming decades, according to a recent analysis.

Parties in a US consumer-led class action lawsuit are probing whether companies making carbon-neutral claims can rely on third-party offset certification or whether additional substantiation of emissions reductions is required, ahead of a hearing on a motion to dismiss on Tuesday.

EITE request deadline - Washington's Department of Ecology (ECY) has issued a notice informing owners or operators of energy-intensive, trade-exposed (EITE) facilities that they have until Mar. 31 to request upward adjustments to their allocation reduction schedule, and changes to allocation baseline, for the 2027-30 compliance period under the state's cap-and-invest programme. The ECY has published a guidance document to show the kind of information required for requests. The agency's request are part of ongoing efforts to update EITE provisions under the programme.

A global agtech software company plans to burst into the afforestation, reforestation, and revegetation (ARR) market, expecting to initiate 10 voluntary carbon projects this year after switching away from a REDD+ avoided deforestation approach, the founder and chief executive told Carbon Pulse this week.

Q4 electricity sector emissions regulated under Massachusetts’ Global Warming Solutions Act (GWSA) increased more than 6% year-on-year (YoY), programme data showed.

Nature-based carbon projects often struggle to prove that they deliver real and measurable emissions reductions, according to recently published research that highlighted fundamental limits to causal attribution in complex social-ecological systems.

A change in Chair - The Colombian Association of Carbon Market Actors (Asocarbono) announced last Friday through an statement the departure of its executive director, Francisco Ocampo, ending a seven-year tenure that began with the organisation’s founding in 2018. Its board said it is developing a transition strategy focused on renewed leadership to address current and future challenges in Colombia’s carbon market, with further updates to be communicated in due course.

JNR rating - The jurisdictional REDD+ (JNR) programme of Argentina’s Misiones province has received an A-AA rating from carbon ratings agency Sylvera, its developer Coralia Environmental announced Monday via LinkedIn. The assessment makes Misiones the first REDD+ project in Argentina to reach an A rating, only the second carbon project nationwide to do so, and the first with potential to attain AA status. Sylvera flagged only moderate risk levels across leakage, anthropogenic risk, and systems and safeguards categories, marking a step closer to the commercialisation of the world's first credits under Verra's JNR 2a scenario methodology.

Costa Rica became the latest Latin American country to elect a right-leaning president over the weekend, reinforcing a regional political shift that has left carbon pricing instruments suspended less by ideology than by questions of institutional capacity and revenue generation.

Rocky Mountain inventory - The Colorado Department of Public Health and Environment released an executive summary, overview, and dataset for its 2025 greenhouse gas inventory, following a report to the state legislature published in December 2025. The inventory, produced by the department's Air Pollution Control Division, covers emissions across energy, industrial processes, agriculture, land use, and waste sectors from 2005 through 2023, with projections out to 2050. The division is required to update the inventory at least every two years under Senate Bill 19-096. A full report and updated GHG inventory explorer are expected in early 2026, with public meetings on inventory methodologies scheduled for spring 2026.

RGGI Allowance (RGA) futures prices fell to their lowest level since October despite publication of programme data Monday that showed a year-on-year (YoY) rise in Q4 emissions.