Eat Less Meat

Here's an early New Year's resolution: eat less meat. Actually, I've been largely vegetarian for a while, but why not use the new year to declare it? My policy: don't choose to buy meat, but don't inconvenience or offend others I'm with.

There are many reasons for going vegetarian, but mine is mainly a matter of ecological footprint. I don't have many moral qualms about killing animals for food, but I am concerned about the many different costs associated with producing meat - costs which I'm not sure are adequately reflected in the dollar price at your butcher.

Everyone's concerned about greenhouse gas emissions - we ride bicycles to work, we buy energy efficient lightglobes, we offset our flights and concert tickets. But those cuts pale in comparison to the emissions from raising livestock. Raising livestock accounts for 18% of greenhouse gas emissions worldwide - more than all forms of transport combined.
The main problem is a type of gut microorganisms called methanogens in ruminants that convert hydrogen and carbon dioxide - byproducts of digestion - into methane, a gas with 25 times the warming effect of carbon dioxide.
In general, red meat emits 2.5 times as much greenhouse gas as chicken or fish. But if you want red meat, try kangaroo - thanks to different gut flora, kangaroos produce hardly any methane. Kangaroo is also lean, causes less environmental degradation from grazing, and - equally importantly - it really does taste good!
Research is under way to produce anti-methanogen vaccines, optimise livestock diets, or introduce alternative, harmless microorganisms that can outcompete the methanogens. Ultimately, though, these approaches seem to me like carbon sequestration for coal-fired power-plants - useful technology if we must burn coal or eat meat (which, realistically, we will continue to do) but far better to minimise the need for it in the first place!

Greenhouse emissions aside, meat - in particular red meat - is simply a frighteningly inefficient way of feeding yourself.
Only 5 to 25 per cent of the nutrients fed to an animal are converted into edible meat. It takes 2.3 kg of grain to produce 1kg of chicken; 5.9 kg of grain for pork; and 13 kg of grain plus 30 kg of forage for beef!
For the past eight years, global demand for grain has been increasing faster than supply, and that's largely due to rising demand for meat in increasingly prosperous countries like India and China. Rising populations and incomes are expected to double the global demand for meat and milk by 2050.
Then there's water use, an issue becoming increasingly sensitive here in Australia and around the world. It takes 1000 litres of water to grow 1 kg of wheat, 2000 litres per kg of rice... and 96,000 litres per kg of beef.

Of course, not many people are willing to go entirely vegetarian - truthfully, I'm not either. The good news - to put a positive spin on it - is that the cost of red meat is so great that any cuts you're prepared to live with will likely be the largest lifestyle contribution you can make to going green: A kilogram of beef is responsible for more greenhouse gas emissions and other pollution than driving for 3 hours while leaving all the lights on back home.

Information shamelessly taken from New Scientist:
http://www.newscientist.com/article/dn13741
http://www.newscientist.com/article/mg19526134.500
http://www.newscientist.com/article/mg19826601.600-what-price-more-food.html
http://www.newscientist.com/article/mg18925401.500-earth-the-parched-planet.html
http://www.newscientist.com/article/mg19926731.700-what-is-your-dinner-doing-to-the-climate.html
http://www.newscientist.com/article/mg20026873.100-how-kangaroo-burgers-could-save-the-planet.html

Jenolan Caves

Only just got around to uploading these photos from earlier this year. Sarah and I spent a few days out at the Jenolan Caves, staying in a beautiful cabin in the surrounding Blue Mountains.

We went on an adventure caving tour, which was awesome, but to avoid being encumbered I didn't take any camera on that. These photos are from ordinary guided tours of the show caves.

GetUp!

I joined GetUp!, an independent grass-roots political organisation - just as a donor and a name on a petition. Initially I signed up in response to the Government's Internet censorship plans - I'm not convinced that any petition, let alone an internet-based petition, carries much weight, but what harm could it do?
Then GetUp! started a TV advertising campaign in response to Rudd's 5% emissions target, and I thought that here was something that could actually reach people and make a difference, and was worth donating for.
The ad was meant to be shown during the test cricket, but I don't watch TV... Did anyone see it - and more importantly, notice it? I hope so.

Taronga Zoo

Went to Taronga Zoo again. What do you go to the zoo to see? I think that the most interesting animals at the zoo are humans - either actual humans, who are sometimes just as much on display as the peacocks that wander the grounds; or the aspects of ourselves that we glimpse in - or project onto - other animals.

Here are some of my favourite photos from this visit! Sadly, there are none of baby pygmy hippos... I waited and waited at the scheduled time for Monifa to emerge, but she didn't make an appearance for us that day...



(previous visit)