1) Your claim of "£250m per year" is demonstrably utter BS. They get about £15m p.a. for climate research, (up from £13m two years ago), according to reasonably-reliable sources :
2) All climate research depends on "modelling", because unlike most scientific research, we cannot repeat the experiment a thousand times to see whether a different outcome occurs when the conditions are changed. We don't have hundreds of planets to experiment on (or a time machine so we can change the past and see how it affects the present).
So if your disagreement is based on the fact that it is a model, then you seem to have a fundamental problem understanding the scientific method involved, and you may as well just stick your fingers in your ears and shout "la la la la it's not happening" for all the wisdom that you're bringing to this debate.
Maybe in your head, every piece of evidence is simply a scam by someone-or-other to make some 'profit' out of 'scaremongering', while the money that companies such as ExxonMobil pour into supporting 'sceptics' is just their way of being philanthropic, and they have *no vested interest* in persuading the world to continue using their products. No doubt if this was the 60s or 70s you'd say that lung cancer boffins only do it because they profit from "maintaining the fraud" that cigarettes are bad for you, whilst those nice tobacco companies are simply fighting for the little man's right to live life however he wants. Personally, I simply don't believe any of that.
At the end of the day, if the 'climate change lobby' are wrong, all that really happens is some people (different people from the current industrial-military status quo) make a few bucks for a while.
However, if the 'denial lobby' are wrong, millions of people (and animals) will die. And when people like yourself blithely say, in a coded way, "well I don't care if millions of people die, I want to keep my toys", I consider you nothing less than utter scum.