Farmers will be asked to cut their emissions by 25% under plans approved by Government leaders.
The agriculture sector will have to eliminate one-quarter of its emissions output over the next eight years.
Tense negotiations over the last few days had been at an impasse.
Agriculture Minister Charlie McConalogue has been saying emissions should be cut by no more than 24% for his sector.
Environment Minister Eamon Ryan was going no lower than 26%.
In the end, they have split the difference - and Government leaders have approved a 25% reduction.
Ministers have been getting calls as part of an incorporeal Cabinet meeting on Thursday afternoon to approve the deal.
It is on the lower end of the 22% to 30% range, initially approved by Government
A press conference to announce the deal is expected in the coming hours.