To fight climate change, environmental necessity must trump political convenience, argues Bo Ekman.

An ice age is definitely not going to occur in the 21st century, instead global average temperatures will continue to increase, argues David Karoly.

Current science and mathematics graduates need more encouragement to study education, in order to quickly reverse the shortage of qualified teachers, argues Professor Mark Hackling.

Western Australia should adopt a feed-in tariff electricity to promote solar energy use to capitalise on the State’s abundant sunshine.

Many of Professor Don Aitkin’s sceptical comments regarding global warming stem from a misunderstanding of both climate science and the IPCC’s role, argues Dr Geoff Davies.

Is it possible that coal corporations know that carbon capture and storage is not viable, but continue to promote it to maintain share prices, questions Tony Troughton-Smith?

Climate change - focusing on economics alone is to suggest that the market can sort it all out. But clearly it hasn't, can't and won't, argues Simon Roz.

Producers toy with scarcity, allowing fuel prices to soar, while the Earth edges closer to catastrophe, writes James Hansen.

DNA alone will not turn the tide against crime, but its inclusion in a wave of new technologies such as biometrics and forensic profiling promises to pin criminals to crimes, both past and present, reports Carmelo Amalfi.

When partial compliance is as bad as none: the Paradise Dam in Queensland has a fishway for the Australian Lungfish that is all but useless, writes Roger Currie.

Australian scientists are hopeful that a change of government will improve the "abysmally low" budget dollars set aside for scientific research over recent years, reports Louise Pemble.

The Snowy Scheme: water is public property yet the state sees fit to appropriate and sell that water.

Carbon neutrality and other green jargon is in danger of becoming what 'reduced fat', 'low cal' and 'high fibre' were in past decades, according to Margaret Lawson.

Australia urgently needs to develop financial strategies in order to improve its national innovation system, writes Peter Laver.

An 'Archimedean' Royal Commission might help us focus on real problems rather than global warming, according to Don Aitkin.