This week sees COP26, the UN’s 26th climate change conference and perhaps the last chance for an agreement to limit cumulative emissions heating the planet well outside the temperature ranges that have seen humans thrive in recent millennia. Later this month will also see the Central Bank of Ireland publish the first signs of whether – and how – it will amend its mortgage market rules. It might not be immediately obvious but there is a strong link between the two. Ireland’s mortgage market rules were introduced in late 2014, as part of a suite of what are termed macro-prudential…