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Coal no more? The rise of renewables and climate action will spell an end to Australia’s coal industry. Coal image from www.shutterstock.com

The long-term future of Australian coal is drying up

Australia’s failure to reassess its commitment to coal will have serious negative consequences, not only for Australia’s economy, but for the health and well being of millions of people and the global environment.
Former ASIO head David Irvine saw data retention and metadata as effective counter-terror measures. But experience overseas is proving otherwise. Lukas Coch/AAP

The security benefits of warrantless surveillance are as clear as mud

The value and utility of the NSA’s metadata retention programs – which formed the template for Australia’s metadata regime – have too often been over-exaggerated.
The makers of GPS devices are among the many factors and actors whose role in road safety has not been fully considered. flickr/Schu

The ‘fatal five’ causes of road trauma: who’s in control?

The focus is on reducing the “fatal five” behaviours that cause road trauma: speeding, drink and drug driving, not wearing seatbelts, fatigue and driving while distracted.
Guidelines recommending no screens before age two came before interactive and educational tablet and smart phone apps. Tia Henrikson/Flickr

Banning under twos from screens has little basis in evidence

There is no question that excessive screen time can have negative impacts on children’s sleep and development generally, but is there sufficient evidence for an all-out ban before age two?
Doc (Christopher Lloyd) and Marty (Michael J Fox) in 2015. Universal Studios

It’s Back to the Future Day today – so what are the next future predictions?

The movie got some predictions right on what Doc and Marty would find when the arrive in the “future” today. But what could they find if they took another 30 year leap into the future?
Rivers in many agriculturally significant areas of Australia could lose water as the landscape grows greener. Kerry Raymond/Wikimedia Commons

River flows drop as carbon dioxide creates thirstier plants

Rising carbon dioxide levels are making plants grow faster, sucking up more water and reducing river flows in many agriculturally important areas of Australia, according to new research.
Achieving ‘justice’ for the victims of the MH17 downing is not a straightforward task. AAP

MH17 ‘justice’ takes several forms, none simple

Aviation, which transformed travel and way of life in the 20th century, is being transformed in the 21st century and faces some difficult 21st-century problems.