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All the energy in our climate comes from the sun: it’s bound to have an influence. foxypar/Flickr

There’s always the sun: solar forcing and climate change

Climate science has now thoroughly outlined the risk associated with increasing greenhouse gases. Significant and rapid warming of the climate system is now expected to occur over the next century and…
An ethical journalistic culture cannot be imposed from above but must develop within a news gathering organisation. AAP

Ethical reporting after NotW phone hacking: it isn’t black and white

The handwritten sign hanging on the bereaved family’s door says: “No media”. As a reporter, do you knock? Most journalism students yell back a resounding “No”. Okay then, what if the family has a high…
It costs $207 a day to keep one prisoner in jail. Flickr/winterofdiscontent

Prison rates down, but not enough

Australia’s prison population is decreasing. But it’s a little too early to break out the champagne. The huge regional differences reveal that imprisonment is not based on the crime you commit, but the…
Pacific nations participated enthusiastically in the Shanghai Expo last year. Flickr/thoth188

China’s power in the Pacific

China’s relations with its Pacific neighbours are nothing if not complex. Its trade in the region quadrupled between 1999 and 2006. And if it delivers all of the promised resources, it will become second…
Price-gouging might occur under the carbon tax regime, but market discipline will keep it in check. Flickr/dmcneil

Trust the market – why regulation won’t stop carbon tax gouging

Federal Treasurer Wayne Swan has announced that the government will provide the competition watchdog with almost $13 million in extra funding to tackle carbon tax-related price-gouging. In this context…
Do you even know what you Like, or what that means, any more? a r b o

Are Facebook and Google+ limiting your opinions?

Social media sites are at war for your opinion. Why? Targeted advertising. The weapons in this war are the “share, "Like”, and “+1” buttons beside searches, video, news articles and blog posts. They seem…
People who commit serious crime are sent to prison as punishment, not for punishment. f o/Flickr

When freedom is fatal: the preventable deaths of recently released prisoners

A study published today in the Medical Journal of Australia concludes that more prison inmates in Australia die in the year after they’ve been released than the annual number of deaths in custody. A disproportionate…
Light or “lite” can refer to the colour, weight or kilojoule content of a product. Flickr/Trusty pics

Monday’s medical myth: light or ‘lite’ food is healthy

How much can you believe about claims made on food packaging? For any mention of the word “light” or “lite”, feel free to add your own definition – that will have about as much credibility as any claim…
Sign of the times for Rupert Murdoch’s UK print media operations. AAP

The unfolding impact of the Murdoch media crisis

Born and bred in the UK, I have spent my entire adult life in the company of News International newspapers. And as a media scholar by profession, I have been critical of the Murdoch titles for decades…
Tony Abbott learnt the hard way that retro chic doesn’t extend to a 1970s sense of humour. AAP

The problem with jokes about Irishmen

Q: How do you confuse an Irishman? A: Put him in front of two shovels and ask him to take his pick Q: How do you get an Irishman on the roof? A: Tell him drinks are on the house. Q: Why did the Irishman…
Proponents of participation argue that there’s an inherent value in democratising health care. acampadagirona/Flickr

People power: is the health-care industry becoming more democratic?

The rhetoric of participation has long been the mainstay of modern health policy. But to what extent are efforts to give people a voice in health-care policy successful, or even appropriate? The idea of…
The Antarctic Treaty protects the continent from competing interests. AAP

Explainer: Keeping conflict on ice with the Antarctic Treaty

This year marks the 50th year of the Antarctic Treaty, a visionary document that for the first time set out a vision for an entire continent based on peace, science and co-operation. So how does it hold…
Rupert Murdoch’s British newspaper empire is reeling under the phone hacking scandal. AAP

Murdoch, mediacracy and the opportunity for a new transparency

Schadenfreude is the tough-sounding word that wins my vote for describing accurately how millions of people around the world are feeling about Rupert Murdoch’s media empire. For those who were long resigned…