When the financial crisis finally abates investors will once again warm to money-making themes and climate change is about as big as they get.
But where there's a popular theme there's also a bandwagon on which plenty of funds are happy to hitch a ride.
Money Observer editor Andrew Pitts quizzes John Shakeshaft, chairman of Ludgate Environmental Fund, on what sets his investment company apart.
Deals in the City are famously done over linen-draped restaurant tables and leaning against marble bars tops. The more wine, the easier the deal, no?
Apparently the crunch has come. So has the deal-flow dried up with the wine-flow, or is everyone reaching for the wine list and the pocket calculator?
No-one know better the answer to this question than Richard Balls, boss of the legendary Balls Brothers who have been oiling the City's wheels for 150 years.
The rise and fall of commercial property has been rather flung into the background amid the sinister sound of major banks crashing around our ears.
But of all those professionals who can tell us investors what it is like literally on the ground in the City, it is a man who has been putting tenants in offices for 27 years.
I’m a self-employed commercial property surveyor, advising retailers. (I used to work for Montagu Evans from 1967-1971 and i established my practice in 1975.) Commercial property investment is allegedly a long-term investment yet the players and their advisers are thinking short-term; what’s wrong with them? Actually, I think it’s good the buying and selling of investments has stalled: tenants are fed up with landlords chopping and changing and causing no end of management hassle for tenants and some attitudinal stability would do a landlords a power of good.
Feidhlim O’Broin has spent 30 years of his life managing pension funds. It is therefore not surprising that he is an eager advocate of long term investing.
So here he is explaining how to make your grandchildren rich…
Mark Twain famously said that a mine is a hole in the ground with a liar at the top. It follows then, that if you want to invest in mining you should get someone who knows what they are doing to do it for you.
Almost no one on, or indeed in, the earth is as good at that as Graham Birch, manager of the hugely successful BlackRock World Mining Investment Trust.
It also follows that if you really want to get to the bottom of it then get another expert to ask him. So here is Andrew Pitts, the multiple award winning editor of Money Observer magazine.
The old cliché has it that as far as the stockmarket is concerned one should go away in May and come back again on St Leger Day. What? And miss out on all the fun? Reeling retailers. Broken banks. Crunching credit. There’s so much more than mere capital accumulation, yield and dividend. Not only are there bargains out there but also more than the odd laugh. Click on the portfolio to see how our writers have got on against the market.