Could Trump's election be the impetus we need to do something about climate change?

Don't get me wrong - I'm no Trump supporter. But his anti-climate change stance could provide the pressure that's needed to get a meaningful plan put in place to tackle this pressing world problem.

A while ago, a website labelled me a green heretic, by which they meant that I thought it essential we use science, technology and economics to tackle green issues, rather than relying on fluffy bunny, feel-good gestures. I was delighted. We need more green heresy - and I think Trump could be the stimulus to make this happen.

Climate change is real and a huge threat to the future population of the world - I'm sorry, deniers, but the science is solid, it's only the models dealing with how fast it will hurt us that are subject to question. It will be a disaster unless we do something about it. (I ought to say, though, that you needn't worry about saving the planet. The Earth itself will shrug whatever we do off in a few million years. It really doesn't care. This is about saving humanity.)

I'm afraid for all their meetings involving vast numbers flying around the world, the scientists and politicians trying to sort this out have not got the right balance. And worse, they don't understand people. We humans are capable of being aware that something is bad for us and still carrying on doing it. (Big Mac with a double espresso martini, anyone?) It's not enough to make scary predictions and agree to limit something you only have limited control over. We need to be investing more right now in two things. In energy sources that don't produce greenhouse gasses - both classic 'renewables' and nuclear - and in technology to actively reduce the temperature or take greenhouse gasses out of the atmosphere. At the moment, both of these essentials are underfunded.

It's a matter of pragmatism. Even without the Trump effect (I am not referring to farting cows), we will overshoot what we need to do. And now it could be even worse. So stop assuming it's enough to be scary and appeal to doing the right thing and start taking practical steps to mitigate it. That means more money for research. Not just from governments either. It's great that, for instance, Bill and Melinda Gates are putting so much into Malaria research. But this is an even bigger problem long term - and we should see some more billionaires shedding their billions for their children' sake.

This doesn't mean, by the way, that we can leave everything to other people and get on with our lives as usual. We should continue (or start) doing our collective bits - and I try to as much as the next person. I recycle, I've cut my domestic energy use to about 1/3 of what it was, I use public transport when I can and I've only flown once in the last 20 years (care to match me, academics?) We need this as well - but on its own it isn't enough.

So, while I don't deny that the election of President-elect Trump is liable to make things get worse faster, it may just be the wake-up call we need.

Why I hate opera

If I'm honest, the title of this post is an exaggeration to make a point. I don't really hate opera. There are a couple of operas - notably Monteverdi's Incoranazione di Poppea and Purcell's Dido & Aeneas - that I quite like. But what I do find truly sickening is the reverence with which opera is treated, as if it were some particularly great art form. Nowhere was this more obvious than in ITV's recent gut-wrenchingly awful series Pop Star to Opera Star , where the likes of Alan Tichmarsh treated the real opera singers as if they were fragile pieces on Antiques Roadshow, and the music as if it were a gift of the gods. In my opinion - and I know not everyone agrees - opera is: Mediocre music Melodramatic plots Amateurishly hammy acting A forced and unpleasant singing style Ridiculously over-supported by public funds I won't even bother to go into any detail on the plots and the acting - this is just self-evident. But the other aspects need some ex

Is 5x3 the same as 3x5?

The Internet has gone mildly bonkers over a child in America who was marked down in a test because when asked to work out 5x3 by repeated addition he/she used 5+5+5 instead of 3+3+3+3+3. Those who support the teacher say that 5x3 means 'five lots of 3' where the complainants say that 'times' is commutative (reversible) so the distinction is meaningless as 5x3 and 3x5 are indistinguishable. It's certainly true that not all mathematical operations are commutative. I think we are all comfortable that 5-3 is not the same as 3-5. However. This not true of multiplication (of numbers). And so if there is to be any distinction, it has to be in the use of English to interpret the 'x' sign. Unfortunately, even here there is no logical way of coming up with a definitive answer. I suspect most primary school teachers would expands 'times' as 'lots of' as mentioned above. So we get 5 x 3 as '5 lots of 3'. Unfortunately that only wor

Which idiot came up with percentage-based gradient signs

Rant warning: the contents of this post could sound like something produced by UKIP. I wish to make it clear that I do not in any way support or endorse that political party. In fact it gives me the creeps. Once upon a time, the signs for a steep hill on British roads displayed the gradient in a simple, easy-to-understand form. If the hill went up, say, one yard for every three yards forward it said '1 in 3'. Then some bureaucrat came along and decided that it would be a good idea to state the slope as a percentage. So now the sign for (say) a 1 in 10 slope says 10% (I think). That 'I think' is because the percentage-based slope is so unnatural. There are two ways we conventionally measure slopes. Either on X/Y coordiates (as in 1 in 4) or using degrees - say at a 15° angle. We don't measure them in percentages. It's easy to visualize a 1 in 3 slope, or a 30 degree angle. Much less obvious what a 33.333 recurring percent slope is. And what's a 100% slope

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