The IFA says farmers are being left out of conversations affecting their livelihoods.
The Department of Agriculture is being accused of having "a belligerant attitude" towards farmers.
Over 300 people are marching through Portlaoise this evening, demanding greater engagement from the government on its climate action policy.
The rally is one of four being held by the Irish Farmers' Association across the country today.
Francie Gorman, the IFA's South Leinster Chair, says farmers deserve to be included in decisions that affect their livelihoods: