Professor Frank OâMara, Director of Research, Teagasc The debate on how agriculture deals with greenhouse gas emissions has intensified in recent months, with the publication of the report of the Oireachtas Joint Committee on Climate Change; the governmentâs new Climate Action Plan; and the Climate Change Advisory Council Annual Review, which had a special focus on agriculture, and analysed the impact of reducing the suckler (beef) cow herd by up to 50%.