movie ensign teaches statistics and econometrics at the university of keele he also studies happiness. he's been at it now for more than 10 years. he says the capacity to be happy is in part genetically determined from see potential it's a rough estimate but it depends 50 percent on one's genes is that taking a happiness course more transform somebody who's thoroughly morose that won't happen because from on that spending 10 years with someone who's dead miserable will have an effect which is the the happiness or unhappiness of one's parents can be passed on to fault. 50 percent genes and 10 percent spontaneous moments of joy at least 40 percent unaccounted for so far professor against and says that is where we ourselves can make a difference by doing certain things in our daily lives for example getting out and being active. but there's more to it than that how we perceive ourselves in society also affects our sense of wellbeing. it's hard to live up to expectations there's always somebody in the neighborhood with a fabulous house and a wonderful husband and children at the fanciest

of great techniques. let me bring in doctor sharon george. keele university. stly it's because of the cost. as nick said technology has got better and there's battery storage which is massively making a difference. making it possible for people but still cost is a massive barrier. it's not practical for everyone to put ina it's not practical for everyone to put in a wind turbine and a lot of people don't live where they have the space to do that. cost is a big barrier. it's quite right to emit in communities is a good weight that you can chip in but you don't have to go completely off grid. you can't put every little bit of help. supplementing your energy. what could people do watching right now thatis could people do watching right now that is practical and realistic? in the uk one of the big issues is heating. we waste an awful lot of energy in this country. a lot of us are running inefficient systems, lighting. we are not insulating the way that we could and again, the government can have a part to play in that, talking about the fit subsidy, that was massiv