There was an interesting juxtaposition of successive posts on The American Scene on Wednesday*. In one post, Alan Jacobs links to a fascinating story on Wired, which lays out how leaf cutter ants avoid the very problems that plague urbanised human society with traffic congestion by instinct. Basically, they never get stuck in traffic, because they behave, well, rationally:

Of the returning ants, some were empty-mandibled — but rather than passing their leaf-carrying, slow-moving brethren, they gathered in clusters and moved behind them. This seemingly counterintuitive strategy — when stuck behind a slow-moving truck, are you content to slow down? — actually saved them time…

The trick here, of course, is that ants do not experience egoism:

“One dominating factor in human traffic is egoism,” said University of Zoln traffic flow theorist Andreas Schadschneider. “Drivers optimize their own travel time, without taking much care about others. This leads to phantom traffic jams which occur without any obvious reason. Ants, on the other hand, are not egoistic.”

The question, therefore, as Jacobs points out, is whether there is “any .. way to prompt people to learn these lessons? Or is unthinking, reflexive egotism invincible? It seems to me that the prime problem here is that the leafcutter approach only works if pretty much everyone applies it. I’m not sure that partial compliance would have much effect.”

Right. Enter the post directly below on the Scene, by James Poulos. He quotes the report you may have seen a while ago about the behaviour of the Titanic’s passengers:

[..] British passengers, who queued for a place in one of only 20 lifeboats provided for the 2,223 on board, had 10 percent lower chance of survival than any other nationality.

In contrast, Americans, who reportedly elbowed their way to the front of lines, had a 12 percent higher probability of survival than British subjects.

“Be British, boys, be British!” the captain, Edward John Smith, shouted out, according to witnesses.

“Being British” meant to forget mass panic behavior — everyone looking after themselves — and rather follow the social norm of “women and children first.”

Well, there you go then. The Brits suffered from their own selflessness because they were not among themselves, and their efforts to put community ahead of ego were crushed by those darned selfish Americans. But in a more or less mono-cultural (or -national) setting, then, the Brits were apparently able to apply a leaf cutter ant ethos to their community interaction – by invoking nationalism. Problem solved!

*I really need to start noting stuff straight away instead of keeping it in open tabs for days…

Ugandans have been over fishing Lake Victoria for years, notes Nathan Fiala. As the quantity of fish is depleted ever further, fishermen illegally capture younger and younger fish.

Consequence: there’s ever less to eat for carnivorous animals in and around the lake too. And so they become desperate.

Hence, local crocodiles have started to eat some five people a month. Such as the village mayor (not pictured below) who was fishing with an illegal net in January, and tried to escape arrest by a passing fishing patrol by swimming away…

There you go: the fishermen deplete the fish quantities, meaning less feed for local wildlife, and so the wildife has started to eat the fishermen. Not to make light of the issues of poverty involved, but there’s a certain justice and symmetry about it.

So I tend towards green-ness. I’m not an uber-environmentalist but I do what I can. I’m sitting here in my down jacket because I like to keep the thermostat relatively low in the winter, (and because it’s #@$% cold outside). We recycle. We don’t leave the water running when we brush our teeth. That kind of thing.

That means that when people say that real Christmas trees are evil and that fake trees are a more responsible choice (i.e., that plastic is greener than actual greenery), I am cowed enough to want to look into it before blithely buying another real tree this year. (Even though I LIKE real trees. A lot.)

My initial thoughts include:

– My community recycles (mulches) real Christmas trees. Does that count for anything?

– Christmas tree farms are better than strip malls, aren’t they? (But is that a false dichotomy? Maybe they tear down nice forests to plant the fertilized and insecticided Christmas trees.)

– Isn’t plastic, just, like, icky? And people don’t keep their plastic trees literally forever, do they? So is the environmental cost of dealing with giant hunks of plastic occasionally really less than dealing with gen-you-wine biodegradable trees annually?

So I set out to try to find out what is actually greener.

First, yes, it appears that plastic IS icky!