Scottish Green co-leaders Patrick Harvie and Lorna Slater are expected to become junior Ministers in the Scottish Government.
They will be nominated for office if party members back a draft power sharing deal with the SNP Government on Saturday.
The MSPs will take on broad remits focussing on the key priorities set out in the joint policy programme.
One minister will be tasked with delivering plans to decarbonise transport, homes and buildings, as well as a new deal for tenants.
The second minister will focus on green skills, industries such as energy, and restoring the natural environment.
Full details on the briefs will be confirmed next week if the deal is ratified.
Slater said: “The time has come for Scotland to step up efforts to decarbonise our economy and invest in a greener, independent future. The cooperation agreement we’ve negotiated would put Greens at the heart of decision making at this crucial time and if our members endorse it then I look forward to driving change in government.”
Harvie said: “With Greens in government we would be able to deliver positive change like tackling Scotland’s emissions, protecting nature, advancing tenants’ rights. bringing forward overdue equalities legislation and delivering an independence referendum. I am proud of our vibrant party democracy and look forward to discussing and debating this deal with members on Saturday and if they back it, they can be assured that we’ll waste no time getting to work to deliver on this transformative agenda.”
The historic move would mark the first time Green parliamentarians have become ministers in national government across the UK.
The pact, which would give the SNP and Greens a clear majority at Holyrood, commits the parties to a shared agenda, but also flags up excluded policy areas.
The pair will have to be approved by Parliament, but this is considered to be a formality when Holyrood returns from its summer recess next week.
Harvie is a long standing MSP for Glasgow, while Slater was elected to serve the Lothians for the first time in May.
The shared Government agenda includes policy areas like the climate crisis, transport, housing and child poverty.
However, there are 10 areas where the SNP and Scottish Greens do not agree and are not expected to support each other.
The role of gross domestic product (GDP) in measuring economic growth, public funding for defence companies, membership of Nato in an independent Scotland and the regulation of selling sex are among areas outside the scope of the agreement.
The parties have also agreed to disagree on the matter of fee-paying schools and field sports such as hunting and shooting – a long-running bone of contention between the two sides.
Slater and Harvie will not be bound by collective responsibility – meaning they will not be held accountable – in these areas.
Tory MSP Murdo Fraser said: “Nicola Sturgeon is handing extremists key positions in government. The more details that emerge, the worse this nationalist coalition of chaos looks for hardworking families and workers across Scotland.
“MSPs who don’t believe in economic growth, who actively want to limit Scotland’s economy, are apparently going to be government ministers.
“Neither Patrick Harvie or Lorna Slater should be anywhere near key financial decisions that will impact jobs and businesses.
“Their growing influence is a danger to our oil and gas industry and the 100,000 jobs it supports. The Greens seek to undermine the future of the North Sea sector at every turn, and Nicola Sturgeon is giving them a bigger platform to do that.
“It’s a real worry that an anti-jobs duo may have a regular seat at the Cabinet table, while businesses are shut out from the decision-making process."
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