Blah, blah, blah is what we have heard for 30 years from politicians. Greta Thunberg got it correct about the Taoiseach and the UN Security Council, as in regard to much of the debate that has happened today. The gulf between the promises, the rhetoric and the talk and the reality of the action or lack of action grows wider and wider. The Taoiseach was correct when he said at the UN Security Council that climate change is the defining challenge of our generation and that the council must do more on the issue of cli…