of the government's climate change advisers, chris stark, who said rishi sunak had set back progress towards net—zero carbon emissions by delaying future changes. ms courtinho told laura kuenssberg on sunday on bbc2 that ministers had to strike the right balance. with me is our political correspondent, damian grammaticas. so this was her first big interview on the bbc, wasn't it?— so this was her first big interview on the bbc, wasn't it? yes, on the sunday talk _ on the bbc, wasn't it? yes, on the sunday talk shows. _ on the bbc, wasn't it? yes, on the sunday talk shows. and _ on the bbc, wasn't it? yes, on the sunday talk shows. and what - on the bbc, wasn't it? yes, on the sunday talk shows. and what she i on the bbc, wasn't it? yes, on the i sunday talk shows. and what she had to respond to was chris stark. he has been in thisjob to respond to was chris stark. he has been in this job for six years and he is the chief adviser to the government on climate change policy. he has a background in this, so he is a serious figure. it was his committee's original advice that led the government, it was theresa may, to set in law, 2050 is the date for the uk to be net zero emissions. and what chris stark was critical of was rishi sunak has been pushing back the interim steps, switching to petrol and diesel cars and gas boilers and that sort of thing. the question for claire coutinho was, are you weakening your targets and are you weakening your targets and are you weakening your targets and are you not going to hit them? itrailiere are you not going to hit them? where we have, are you not going to hit them? where we have. and — are you not going to hit them? where we have. and i _ are you not going to hit them? where we have, and i make _ are you not going to hit them? where we have, and i make no _ are you not going to hit them? where we have, and i make no apology- are you not going to hit them? where we have, and i make no apology for. we have, and i make no apology for this, _ we have, and i make no apology for this, where — we have, and i make no apology for