![President Michael D Higgins, centre, with James Gorry, Sabina Higgins, and ploughman Ryan Kelly on the first day of the National Ploughing Championships in September at Ratheniska, Co Laois. Picture: Dan Linehan <p>President Michael D Higgins, centre, with James Gorry, Sabina Higgins, and ploughman Ryan Kelly on the first day of the National Ploughing Championships in September at Ratheniska, Co Laois. Picture: Dan Linehan</p>](https://www.irishexaminer.com/cms_media/module_img/7554/3777274_5_dashboardbig_dan_20plough_2014.jpg)
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Catherine Conlon: Here is the evidence for cutting back on meat
President Michael D Higgins caused a stir when he urged us to tackle climate change on our dinner plates — but there are plenty of reasons to heed his call, writes CATHERINE CONLON