The Environment Minister says he is sure Tommy Tiernan is concerned about the impacts of climate change.
It comes as the comedian protested against the proposed Sceirde Rocks off-shore wind farm off the coast of Connemara.
It's now understood the project to build 30 turbines near Carna will not be going ahead - something the Taoiseach has described as disappointing.
In a submission to An Bord Pleanala, Tommy Tiernan described the plans as "disgusting and irresponsible".
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Responding to the concerns, Environment Minister Darragh O'Brien, says projects like it will help Ireland be more energy sustainable:
