i've come to newark park estate in gloucestershire to find out more about how our changing climate is affecting the national trust's landscapes and the wildlife it cares for. and just look at this wonderful place. a tudor hunting lodge with — look over here — the most incredible views right out across for the mendip hills. we've had to remove all of our ash trees, unfortunately, because they've succumbed to ash dieback. the fungal disease, which affects adult trees, is now common across britain. so we're finding that the moist conditions that we get, as well — wet and warm — are really great for these things to spread in our current climate. the national trust lost thousands more trees in storms — storm arwen, which ripped through the north of the country in late november, was particularly destructive. and some properties, like this stretch of the dorset coast, were changed forever.